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Finding the Fourth Proportional to 602,916.64, 903,687 and 242,856.91

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Solution

The fourth proportional to 602,916.64, 903,687 and 242,856.91 is: 364,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,916.64 : 903,687 = 242,856.91 : x
  2. Step 2: Convert to fraction form
    602,916.64/903,687 = 242,856.91/x
  3. Step 3: Cross multiply
    602,916.64x = 903,687 × 242,856.91
  4. Step 4: Simplify right side
    602,916.64x = 219,466,632,427.17
  5. Step 5: Solve for x
    x = 219,466,632,427.17/602,916.64
  6. Step 6: Final answer
    x = 364,008.25

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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.