Home / 872,445.62-1,203,483.20-509,792.42

Finding the Fourth Proportional to 872,445.62, 1,203,483.20 and 509,792.42

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Solution

The fourth proportional to 872,445.62, 1,203,483.20 and 509,792.42 is: 703,226.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,445.62 : 1,203,483.20 = 509,792.42 : x
  2. Step 2: Convert to fraction form
    872,445.62/1,203,483.20 = 509,792.42/x
  3. Step 3: Cross multiply
    872,445.62x = 1,203,483.20 × 509,792.42
  4. Step 4: Simplify right side
    872,445.62x = 613,526,612,957.34
  5. Step 5: Solve for x
    x = 613,526,612,957.34/872,445.62
  6. Step 6: Final answer
    x = 703,226.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.