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Finding the Fourth Proportional to 602,345.77, 903,228.01 and 349,689.87

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Solution

The fourth proportional to 602,345.77, 903,228.01 and 349,689.87 is: 524,366.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,345.77 : 903,228.01 = 349,689.87 : x
  2. Step 2: Convert to fraction form
    602,345.77/903,228.01 = 349,689.87/x
  3. Step 3: Cross multiply
    602,345.77x = 903,228.01 × 349,689.87
  4. Step 4: Simplify right side
    602,345.77x = 315,849,685,397.26
  5. Step 5: Solve for x
    x = 315,849,685,397.26/602,345.77
  6. Step 6: Final answer
    x = 524,366.07

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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.