Home / 578,602.46-867,291.32-263,280.80

Finding the Fourth Proportional to 578,602.46, 867,291.32 and 263,280.80

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Solution

The fourth proportional to 578,602.46, 867,291.32 and 263,280.80 is: 394,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,602.46 : 867,291.32 = 263,280.80 : x
  2. Step 2: Convert to fraction form
    578,602.46/867,291.32 = 263,280.80/x
  3. Step 3: Cross multiply
    578,602.46x = 867,291.32 × 263,280.80
  4. Step 4: Simplify right side
    578,602.46x = 228,341,152,562.66
  5. Step 5: Solve for x
    x = 228,341,152,562.66/578,602.46
  6. Step 6: Final answer
    x = 394,642.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.