Home / 771,793.02-1,065,444.57-542,546.82

Finding the Fourth Proportional to 771,793.02, 1,065,444.57 and 542,546.82

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Solution

The fourth proportional to 771,793.02, 1,065,444.57 and 542,546.82 is: 748,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,793.02 : 1,065,444.57 = 542,546.82 : x
  2. Step 2: Convert to fraction form
    771,793.02/1,065,444.57 = 542,546.82/x
  3. Step 3: Cross multiply
    771,793.02x = 1,065,444.57 × 542,546.82
  4. Step 4: Simplify right side
    771,793.02x = 578,053,563,339.77
  5. Step 5: Solve for x
    x = 578,053,563,339.77/771,793.02
  6. Step 6: Final answer
    x = 748,974.85

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Double scale
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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.