Home / 832,495.20-1,248,742.80-453,269.40

Finding the Fourth Proportional to 832,495.20, 1,248,742.80 and 453,269.40

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Solution

The fourth proportional to 832,495.20, 1,248,742.80 and 453,269.40 is: 679,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,495.20 : 1,248,742.80 = 453,269.40 : x
  2. Step 2: Convert to fraction form
    832,495.20/1,248,742.80 = 453,269.40/x
  3. Step 3: Cross multiply
    832,495.20x = 1,248,742.80 × 453,269.40
  4. Step 4: Simplify right side
    832,495.20x = 566,016,899,710.32
  5. Step 5: Solve for x
    x = 566,016,899,710.32/832,495.20
  6. Step 6: Final answer
    x = 679,904.10

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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.