Home / 989,471.93-1,365,473.88-536,762.93

Finding the Fourth Proportional to 989,471.93, 1,365,473.88 and 536,762.93

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Solution

The fourth proportional to 989,471.93, 1,365,473.88 and 536,762.93 is: 740,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,471.93 : 1,365,473.88 = 536,762.93 : x
  2. Step 2: Convert to fraction form
    989,471.93/1,365,473.88 = 536,762.93/x
  3. Step 3: Cross multiply
    989,471.93x = 1,365,473.88 × 536,762.93
  4. Step 4: Simplify right side
    989,471.93x = 732,935,753,839.90
  5. Step 5: Solve for x
    x = 732,935,753,839.90/989,471.93
  6. Step 6: Final answer
    x = 740,734.26

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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.