Home / 935,442.30-1,402,835.40-486,013.80

Finding the Fourth Proportional to 935,442.30, 1,402,835.40 and 486,013.80

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Solution

The fourth proportional to 935,442.30, 1,402,835.40 and 486,013.80 is: 728,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,442.30 : 1,402,835.40 = 486,013.80 : x
  2. Step 2: Convert to fraction form
    935,442.30/1,402,835.40 = 486,013.80/x
  3. Step 3: Cross multiply
    935,442.30x = 1,402,835.40 × 486,013.80
  4. Step 4: Simplify right side
    935,442.30x = 681,797,363,528.52
  5. Step 5: Solve for x
    x = 681,797,363,528.52/935,442.30
  6. Step 6: Final answer
    x = 728,850.26

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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.