Home / 653,130.60-980,069.02-253,719.40

Finding the Fourth Proportional to 653,130.60, 980,069.02 and 253,719.40

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Solution

The fourth proportional to 653,130.60, 980,069.02 and 253,719.40 is: 380,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,130.60 : 980,069.02 = 253,719.40 : x
  2. Step 2: Convert to fraction form
    653,130.60/980,069.02 = 253,719.40/x
  3. Step 3: Cross multiply
    653,130.60x = 980,069.02 × 253,719.40
  4. Step 4: Simplify right side
    653,130.60x = 248,662,523,712.99
  5. Step 5: Solve for x
    x = 248,662,523,712.99/653,130.60
  6. Step 6: Final answer
    x = 380,724.04

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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.