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Finding the Fourth Proportional to 657,953.08, 987,298.67 and 358,454.67

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Solution

The fourth proportional to 657,953.08, 987,298.67 and 358,454.67 is: 537,883.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,953.08 : 987,298.67 = 358,454.67 : x
  2. Step 2: Convert to fraction form
    657,953.08/987,298.67 = 358,454.67/x
  3. Step 3: Cross multiply
    657,953.08x = 987,298.67 × 358,454.67
  4. Step 4: Simplify right side
    657,953.08x = 353,901,816,140.06
  5. Step 5: Solve for x
    x = 353,901,816,140.06/657,953.08
  6. Step 6: Final answer
    x = 537,883.06

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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.