Home / 927,510.40-1,390,455.60-359,279.20

Finding the Fourth Proportional to 927,510.40, 1,390,455.60 and 359,279.20

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Solution

The fourth proportional to 927,510.40, 1,390,455.60 and 359,279.20 is: 538,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,510.40 : 1,390,455.60 = 359,279.20 : x
  2. Step 2: Convert to fraction form
    927,510.40/1,390,455.60 = 359,279.20/x
  3. Step 3: Cross multiply
    927,510.40x = 1,390,455.60 × 359,279.20
  4. Step 4: Simplify right side
    927,510.40x = 499,561,775,603.52
  5. Step 5: Solve for x
    x = 499,561,775,603.52/927,510.40
  6. Step 6: Final answer
    x = 538,605.04

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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.