Home / 748,545.87-1,120,806.75-570,203.31

Finding the Fourth Proportional to 748,545.87, 1,120,806.75 and 570,203.31

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Solution

The fourth proportional to 748,545.87, 1,120,806.75 and 570,203.31 is: 853,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,545.87 : 1,120,806.75 = 570,203.31 : x
  2. Step 2: Convert to fraction form
    748,545.87/1,120,806.75 = 570,203.31/x
  3. Step 3: Cross multiply
    748,545.87x = 1,120,806.75 × 570,203.31
  4. Step 4: Simplify right side
    748,545.87x = 639,087,718,720.34
  5. Step 5: Solve for x
    x = 639,087,718,720.34/748,545.87
  6. Step 6: Final answer
    x = 853,772.29

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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.