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Finding the Fourth Proportional to 975,545, 1,346,252.10 and 545,908.17

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Solution

The fourth proportional to 975,545, 1,346,252.10 and 545,908.17 is: 753,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,545 : 1,346,252.10 = 545,908.17 : x
  2. Step 2: Convert to fraction form
    975,545/1,346,252.10 = 545,908.17/x
  3. Step 3: Cross multiply
    975,545x = 1,346,252.10 × 545,908.17
  4. Step 4: Simplify right side
    975,545x = 734,930,020,269.66
  5. Step 5: Solve for x
    x = 734,930,020,269.66/975,545
  6. Step 6: Final answer
    x = 753,353.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.