Home / 689,268.87-951,050.43-402,733.53

Finding the Fourth Proportional to 689,268.87, 951,050.43 and 402,733.53

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Solution

The fourth proportional to 689,268.87, 951,050.43 and 402,733.53 is: 555,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,268.87 : 951,050.43 = 402,733.53 : x
  2. Step 2: Convert to fraction form
    689,268.87/951,050.43 = 402,733.53/x
  3. Step 3: Cross multiply
    689,268.87x = 951,050.43 × 402,733.53
  4. Step 4: Simplify right side
    689,268.87x = 383,019,896,881.92
  5. Step 5: Solve for x
    x = 383,019,896,881.92/689,268.87
  6. Step 6: Final answer
    x = 555,690.11

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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.