Home / 653,030.40-980,069.76-337,579.20

Finding the Fourth Proportional to 653,030.40, 980,069.76 and 337,579.20

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Solution

The fourth proportional to 653,030.40, 980,069.76 and 337,579.20 is: 506,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,030.40 : 980,069.76 = 337,579.20 : x
  2. Step 2: Convert to fraction form
    653,030.40/980,069.76 = 337,579.20/x
  3. Step 3: Cross multiply
    653,030.40x = 980,069.76 × 337,579.20
  4. Step 4: Simplify right side
    653,030.40x = 330,851,165,524.99
  5. Step 5: Solve for x
    x = 330,851,165,524.99/653,030.40
  6. Step 6: Final answer
    x = 506,639.76

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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.