Home / 739,931.40-1,109,897.10-456,496.20

Finding the Fourth Proportional to 739,931.40, 1,109,897.10 and 456,496.20

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Solution

The fourth proportional to 739,931.40, 1,109,897.10 and 456,496.20 is: 684,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,931.40 : 1,109,897.10 = 456,496.20 : x
  2. Step 2: Convert to fraction form
    739,931.40/1,109,897.10 = 456,496.20/x
  3. Step 3: Cross multiply
    739,931.40x = 1,109,897.10 × 456,496.20
  4. Step 4: Simplify right side
    739,931.40x = 506,663,808,541.02
  5. Step 5: Solve for x
    x = 506,663,808,541.02/739,931.40
  6. Step 6: Final answer
    x = 684,744.30

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Double scale
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Similar ratio
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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.