Home / 787,510.10-1,182,139.95-433,216.10

Finding the Fourth Proportional to 787,510.10, 1,182,139.95 and 433,216.10

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Solution

The fourth proportional to 787,510.10, 1,182,139.95 and 433,216.10 is: 650,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,510.10 : 1,182,139.95 = 433,216.10 : x
  2. Step 2: Convert to fraction form
    787,510.10/1,182,139.95 = 433,216.10/x
  3. Step 3: Cross multiply
    787,510.10x = 1,182,139.95 × 433,216.10
  4. Step 4: Simplify right side
    787,510.10x = 512,122,058,793.20
  5. Step 5: Solve for x
    x = 512,122,058,793.20/787,510.10
  6. Step 6: Final answer
    x = 650,305.39

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Double scale
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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.