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Finding the Fourth Proportional to 612,253.86, 845,322.39 and 547,521.90

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Solution

The fourth proportional to 612,253.86, 845,322.39 and 547,521.90 is: 755,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,253.86 : 845,322.39 = 547,521.90 : x
  2. Step 2: Convert to fraction form
    612,253.86/845,322.39 = 547,521.90/x
  3. Step 3: Cross multiply
    612,253.86x = 845,322.39 × 547,521.90
  4. Step 4: Simplify right side
    612,253.86x = 462,832,521,085.34
  5. Step 5: Solve for x
    x = 462,832,521,085.34/612,253.86
  6. Step 6: Final answer
    x = 755,948.72

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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.