Home / 747,985.92-1,122,001.56-292,558.98

Finding the Fourth Proportional to 747,985.92, 1,122,001.56 and 292,558.98

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Solution

The fourth proportional to 747,985.92, 1,122,001.56 and 292,558.98 is: 438,847.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,985.92 : 1,122,001.56 = 292,558.98 : x
  2. Step 2: Convert to fraction form
    747,985.92/1,122,001.56 = 292,558.98/x
  3. Step 3: Cross multiply
    747,985.92x = 1,122,001.56 × 292,558.98
  4. Step 4: Simplify right side
    747,985.92x = 328,251,631,952.01
  5. Step 5: Solve for x
    x = 328,251,631,952.01/747,985.92
  6. Step 6: Final answer
    x = 438,847.34

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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.