Home / 771,235.60-1,158,235.80-561,110.80

Finding the Fourth Proportional to 771,235.60, 1,158,235.80 and 561,110.80

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Solution

The fourth proportional to 771,235.60, 1,158,235.80 and 561,110.80 is: 842,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,235.60 : 1,158,235.80 = 561,110.80 : x
  2. Step 2: Convert to fraction form
    771,235.60/1,158,235.80 = 561,110.80/x
  3. Step 3: Cross multiply
    771,235.60x = 1,158,235.80 × 561,110.80
  4. Step 4: Simplify right side
    771,235.60x = 649,898,616,326.64
  5. Step 5: Solve for x
    x = 649,898,616,326.64/771,235.60
  6. Step 6: Final answer
    x = 842,671.96

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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.