Home / 752,635.47-1,038,244.61-462,312.47

Finding the Fourth Proportional to 752,635.47, 1,038,244.61 and 462,312.47

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Solution

The fourth proportional to 752,635.47, 1,038,244.61 and 462,312.47 is: 637,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,635.47 : 1,038,244.61 = 462,312.47 : x
  2. Step 2: Convert to fraction form
    752,635.47/1,038,244.61 = 462,312.47/x
  3. Step 3: Cross multiply
    752,635.47x = 1,038,244.61 × 462,312.47
  4. Step 4: Simplify right side
    752,635.47x = 479,993,430,113.29
  5. Step 5: Solve for x
    x = 479,993,430,113.29/752,635.47
  6. Step 6: Final answer
    x = 637,750.21

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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.