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Finding the Fourth Proportional to 478,676.30, 718,014.45 and 301,966.70

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Solution

The fourth proportional to 478,676.30, 718,014.45 and 301,966.70 is: 452,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,676.30 : 718,014.45 = 301,966.70 : x
  2. Step 2: Convert to fraction form
    478,676.30/718,014.45 = 301,966.70/x
  3. Step 3: Cross multiply
    478,676.30x = 718,014.45 × 301,966.70
  4. Step 4: Simplify right side
    478,676.30x = 216,816,454,018.82
  5. Step 5: Solve for x
    x = 216,816,454,018.82/478,676.30
  6. Step 6: Final answer
    x = 452,950.05

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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.