Home / 971,445.40-1,456,098.90-340,034.20

Finding the Fourth Proportional to 971,445.40, 1,456,098.90 and 340,034.20

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Solution

The fourth proportional to 971,445.40, 1,456,098.90 and 340,034.20 is: 509,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,445.40 : 1,456,098.90 = 340,034.20 : x
  2. Step 2: Convert to fraction form
    971,445.40/1,456,098.90 = 340,034.20/x
  3. Step 3: Cross multiply
    971,445.40x = 1,456,098.90 × 340,034.20
  4. Step 4: Simplify right side
    971,445.40x = 495,123,424,582.38
  5. Step 5: Solve for x
    x = 495,123,424,582.38/971,445.40
  6. Step 6: Final answer
    x = 509,677.05

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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.