Home / 790,732.59-1,091,407.82-451,397.67

Finding the Fourth Proportional to 790,732.59, 1,091,407.82 and 451,397.67

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Solution

The fourth proportional to 790,732.59, 1,091,407.82 and 451,397.67 is: 623,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,732.59 : 1,091,407.82 = 451,397.67 : x
  2. Step 2: Convert to fraction form
    790,732.59/1,091,407.82 = 451,397.67/x
  3. Step 3: Cross multiply
    790,732.59x = 1,091,407.82 × 451,397.67
  4. Step 4: Simplify right side
    790,732.59x = 492,658,944,710.79
  5. Step 5: Solve for x
    x = 492,658,944,710.79/790,732.59
  6. Step 6: Final answer
    x = 623,041.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.