Home / 739,934.40-1,109,901.60-456,499.20

Finding the Fourth Proportional to 739,934.40, 1,109,901.60 and 456,499.20

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Solution

The fourth proportional to 739,934.40, 1,109,901.60 and 456,499.20 is: 684,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,934.40 : 1,109,901.60 = 456,499.20 : x
  2. Step 2: Convert to fraction form
    739,934.40/1,109,901.60 = 456,499.20/x
  3. Step 3: Cross multiply
    739,934.40x = 1,109,901.60 × 456,499.20
  4. Step 4: Simplify right side
    739,934.40x = 506,669,192,478.72
  5. Step 5: Solve for x
    x = 506,669,192,478.72/739,934.40
  6. Step 6: Final answer
    x = 684,748.80

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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.