Home / 646,981.20-970,666.20-460,357.20

Finding the Fourth Proportional to 646,981.20, 970,666.20 and 460,357.20

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Solution

The fourth proportional to 646,981.20, 970,666.20 and 460,357.20 is: 690,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,981.20 : 970,666.20 = 460,357.20 : x
  2. Step 2: Convert to fraction form
    646,981.20/970,666.20 = 460,357.20/x
  3. Step 3: Cross multiply
    646,981.20x = 970,666.20 × 460,357.20
  4. Step 4: Simplify right side
    646,981.20x = 446,853,173,966.64
  5. Step 5: Solve for x
    x = 446,853,173,966.64/646,981.20
  6. Step 6: Final answer
    x = 690,674.12

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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.