Home / 914,614.20-1,371,921.30-283,721.40

Finding the Fourth Proportional to 914,614.20, 1,371,921.30 and 283,721.40

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Solution

The fourth proportional to 914,614.20, 1,371,921.30 and 283,721.40 is: 425,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,614.20 : 1,371,921.30 = 283,721.40 : x
  2. Step 2: Convert to fraction form
    914,614.20/1,371,921.30 = 283,721.40/x
  3. Step 3: Cross multiply
    914,614.20x = 1,371,921.30 × 283,721.40
  4. Step 4: Simplify right side
    914,614.20x = 389,243,431,925.82
  5. Step 5: Solve for x
    x = 389,243,431,925.82/914,614.20
  6. Step 6: Final answer
    x = 425,582.10

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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.