Home / 725,333.65-1,000,916.35-403,032.73

Finding the Fourth Proportional to 725,333.65, 1,000,916.35 and 403,032.73

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Solution

The fourth proportional to 725,333.65, 1,000,916.35 and 403,032.73 is: 556,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,333.65 : 1,000,916.35 = 403,032.73 : x
  2. Step 2: Convert to fraction form
    725,333.65/1,000,916.35 = 403,032.73/x
  3. Step 3: Cross multiply
    725,333.65x = 1,000,916.35 × 403,032.73
  4. Step 4: Simplify right side
    725,333.65x = 403,402,049,042.14
  5. Step 5: Solve for x
    x = 403,402,049,042.14/725,333.65
  6. Step 6: Final answer
    x = 556,160.67

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1.5x scale

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.