Home / 938,330.17-1,407,279.39-559,357.90

Finding the Fourth Proportional to 938,330.17, 1,407,279.39 and 559,357.90

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Solution

The fourth proportional to 938,330.17, 1,407,279.39 and 559,357.90 is: 838,908.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,330.17 : 1,407,279.39 = 559,357.90 : x
  2. Step 2: Convert to fraction form
    938,330.17/1,407,279.39 = 559,357.90/x
  3. Step 3: Cross multiply
    938,330.17x = 1,407,279.39 × 559,357.90
  4. Step 4: Simplify right side
    938,330.17x = 787,172,844,303.68
  5. Step 5: Solve for x
    x = 787,172,844,303.68/938,330.17
  6. Step 6: Final answer
    x = 838,908.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.