Home / 578,003.40-867,005.10-480,025.80

Finding the Fourth Proportional to 578,003.40, 867,005.10 and 480,025.80

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Solution

The fourth proportional to 578,003.40, 867,005.10 and 480,025.80 is: 720,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,003.40 : 867,005.10 = 480,025.80 : x
  2. Step 2: Convert to fraction form
    578,003.40/867,005.10 = 480,025.80/x
  3. Step 3: Cross multiply
    578,003.40x = 867,005.10 × 480,025.80
  4. Step 4: Simplify right side
    578,003.40x = 416,184,816,731.58
  5. Step 5: Solve for x
    x = 416,184,816,731.58/578,003.40
  6. Step 6: Final answer
    x = 720,038.70

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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.