Home / 951,048.02-1,312,446.29-521,318.92

Finding the Fourth Proportional to 951,048.02, 1,312,446.29 and 521,318.92

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Solution

The fourth proportional to 951,048.02, 1,312,446.29 and 521,318.92 is: 719,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,048.02 : 1,312,446.29 = 521,318.92 : x
  2. Step 2: Convert to fraction form
    951,048.02/1,312,446.29 = 521,318.92/x
  3. Step 3: Cross multiply
    951,048.02x = 1,312,446.29 × 521,318.92
  4. Step 4: Simplify right side
    951,048.02x = 684,203,081,966.35
  5. Step 5: Solve for x
    x = 684,203,081,966.35/951,048.02
  6. Step 6: Final answer
    x = 719,420.12

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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.