Home / 700,207.36-1,049,942.40-478,654.72

Finding the Fourth Proportional to 700,207.36, 1,049,942.40 and 478,654.72

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Solution

The fourth proportional to 700,207.36, 1,049,942.40 and 478,654.72 is: 717,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,207.36 : 1,049,942.40 = 478,654.72 : x
  2. Step 2: Convert to fraction form
    700,207.36/1,049,942.40 = 478,654.72/x
  3. Step 3: Cross multiply
    700,207.36x = 1,049,942.40 × 478,654.72
  4. Step 4: Simplify right side
    700,207.36x = 502,559,885,488.13
  5. Step 5: Solve for x
    x = 502,559,885,488.13/700,207.36
  6. Step 6: Final answer
    x = 717,730.08

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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.