Home / 578,001.40-867,002.10-480,023.80

Finding the Fourth Proportional to 578,001.40, 867,002.10 and 480,023.80

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Solution

The fourth proportional to 578,001.40, 867,002.10 and 480,023.80 is: 720,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,001.40 : 867,002.10 = 480,023.80 : x
  2. Step 2: Convert to fraction form
    578,001.40/867,002.10 = 480,023.80/x
  3. Step 3: Cross multiply
    578,001.40x = 867,002.10 × 480,023.80
  4. Step 4: Simplify right side
    578,001.40x = 416,181,642,649.98
  5. Step 5: Solve for x
    x = 416,181,642,649.98/578,001.40
  6. Step 6: Final answer
    x = 720,035.70

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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.