Home / 971,569.90-1,457,354.85-340,401.70

Finding the Fourth Proportional to 971,569.90, 1,457,354.85 and 340,401.70

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Solution

The fourth proportional to 971,569.90, 1,457,354.85 and 340,401.70 is: 510,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,569.90 : 1,457,354.85 = 340,401.70 : x
  2. Step 2: Convert to fraction form
    971,569.90/1,457,354.85 = 340,401.70/x
  3. Step 3: Cross multiply
    971,569.90x = 1,457,354.85 × 340,401.70
  4. Step 4: Simplify right side
    971,569.90x = 496,086,068,443.25
  5. Step 5: Solve for x
    x = 496,086,068,443.25/971,569.90
  6. Step 6: Final answer
    x = 510,602.55

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Similar ratio
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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.