Home / 989,472.77-1,365,475.05-536,763.77

Finding the Fourth Proportional to 989,472.77, 1,365,475.05 and 536,763.77

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Solution

The fourth proportional to 989,472.77, 1,365,475.05 and 536,763.77 is: 740,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,472.77 : 1,365,475.05 = 536,763.77 : x
  2. Step 2: Convert to fraction form
    989,472.77/1,365,475.05 = 536,763.77/x
  3. Step 3: Cross multiply
    989,472.77x = 1,365,475.05 × 536,763.77
  4. Step 4: Simplify right side
    989,472.77x = 732,937,532,265.25
  5. Step 5: Solve for x
    x = 732,937,532,265.25/989,472.77
  6. Step 6: Final answer
    x = 740,735.43

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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.