Home / 742,604.28-1,024,778.16-403,072.53

Finding the Fourth Proportional to 742,604.28, 1,024,778.16 and 403,072.53

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Solution

The fourth proportional to 742,604.28, 1,024,778.16 and 403,072.53 is: 556,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,604.28 : 1,024,778.16 = 403,072.53 : x
  2. Step 2: Convert to fraction form
    742,604.28/1,024,778.16 = 403,072.53/x
  3. Step 3: Cross multiply
    742,604.28x = 1,024,778.16 × 403,072.53
  4. Step 4: Simplify right side
    742,604.28x = 413,059,925,639.95
  5. Step 5: Solve for x
    x = 413,059,925,639.95/742,604.28
  6. Step 6: Final answer
    x = 556,231.54

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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.