Home / 648,049.10-972,073.65-610,651.40

Finding the Fourth Proportional to 648,049.10, 972,073.65 and 610,651.40

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Solution

The fourth proportional to 648,049.10, 972,073.65 and 610,651.40 is: 915,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,049.10 : 972,073.65 = 610,651.40 : x
  2. Step 2: Convert to fraction form
    648,049.10/972,073.65 = 610,651.40/x
  3. Step 3: Cross multiply
    648,049.10x = 972,073.65 × 610,651.40
  4. Step 4: Simplify right side
    648,049.10x = 593,598,135,275.61
  5. Step 5: Solve for x
    x = 593,598,135,275.61/648,049.10
  6. Step 6: Final answer
    x = 915,977.10

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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.