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Finding the Fourth Proportional to 650,397.61, 975,260.28 and 285,509.89

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Solution

The fourth proportional to 650,397.61, 975,260.28 and 285,509.89 is: 428,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,397.61 : 975,260.28 = 285,509.89 : x
  2. Step 2: Convert to fraction form
    650,397.61/975,260.28 = 285,509.89/x
  3. Step 3: Cross multiply
    650,397.61x = 975,260.28 × 285,509.89
  4. Step 4: Simplify right side
    650,397.61x = 278,446,457,553.91
  5. Step 5: Solve for x
    x = 278,446,457,553.91/650,397.61
  6. Step 6: Final answer
    x = 428,117.28

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1.5x scale

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.