Home / 752,726.70-1,038,290.40-446,586.30

Finding the Fourth Proportional to 752,726.70, 1,038,290.40 and 446,586.30

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Solution

The fourth proportional to 752,726.70, 1,038,290.40 and 446,586.30 is: 616,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,726.70 : 1,038,290.40 = 446,586.30 : x
  2. Step 2: Convert to fraction form
    752,726.70/1,038,290.40 = 446,586.30/x
  3. Step 3: Cross multiply
    752,726.70x = 1,038,290.40 × 446,586.30
  4. Step 4: Simplify right side
    752,726.70x = 463,686,268,061.52
  5. Step 5: Solve for x
    x = 463,686,268,061.52/752,726.70
  6. Step 6: Final answer
    x = 616,008.80

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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.