Home / 689,266.16-951,178.83-387,460.16

Finding the Fourth Proportional to 689,266.16, 951,178.83 and 387,460.16

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Solution

The fourth proportional to 689,266.16, 951,178.83 and 387,460.16 is: 534,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,266.16 : 951,178.83 = 387,460.16 : x
  2. Step 2: Convert to fraction form
    689,266.16/951,178.83 = 387,460.16/x
  3. Step 3: Cross multiply
    689,266.16x = 951,178.83 × 387,460.16
  4. Step 4: Simplify right side
    689,266.16x = 368,543,896,904.52
  5. Step 5: Solve for x
    x = 368,543,896,904.52/689,266.16
  6. Step 6: Final answer
    x = 534,690.26

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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.