Home / 979,205.20-1,468,807.80-314,424.40

Finding the Fourth Proportional to 979,205.20, 1,468,807.80 and 314,424.40

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Solution

The fourth proportional to 979,205.20, 1,468,807.80 and 314,424.40 is: 471,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,205.20 : 1,468,807.80 = 314,424.40 : x
  2. Step 2: Convert to fraction form
    979,205.20/1,468,807.80 = 314,424.40/x
  3. Step 3: Cross multiply
    979,205.20x = 1,468,807.80 × 314,424.40
  4. Step 4: Simplify right side
    979,205.20x = 461,829,011,230.32
  5. Step 5: Solve for x
    x = 461,829,011,230.32/979,205.20
  6. Step 6: Final answer
    x = 471,636.60

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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.