Home / 752,758.30-1,038,779.55-426,064.30

Finding the Fourth Proportional to 752,758.30, 1,038,779.55 and 426,064.30

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Solution

The fourth proportional to 752,758.30, 1,038,779.55 and 426,064.30 is: 587,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,758.30 : 1,038,779.55 = 426,064.30 : x
  2. Step 2: Convert to fraction form
    752,758.30/1,038,779.55 = 426,064.30/x
  3. Step 3: Cross multiply
    752,758.30x = 1,038,779.55 × 426,064.30
  4. Step 4: Simplify right side
    752,758.30x = 442,586,881,825.07
  5. Step 5: Solve for x
    x = 442,586,881,825.07/752,758.30
  6. Step 6: Final answer
    x = 587,953.51

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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.