Home / 779,250.40-1,168,875.60-653,279.20

Finding the Fourth Proportional to 779,250.40, 1,168,875.60 and 653,279.20

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Solution

The fourth proportional to 779,250.40, 1,168,875.60 and 653,279.20 is: 979,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,250.40 : 1,168,875.60 = 653,279.20 : x
  2. Step 2: Convert to fraction form
    779,250.40/1,168,875.60 = 653,279.20/x
  3. Step 3: Cross multiply
    779,250.40x = 1,168,875.60 × 653,279.20
  4. Step 4: Simplify right side
    779,250.40x = 763,602,116,867.52
  5. Step 5: Solve for x
    x = 763,602,116,867.52/779,250.40
  6. Step 6: Final answer
    x = 979,918.80

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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.