Home / 689,269.32-951,050.94-402,734.04

Finding the Fourth Proportional to 689,269.32, 951,050.94 and 402,734.04

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Solution

The fourth proportional to 689,269.32, 951,050.94 and 402,734.04 is: 555,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,269.32 : 951,050.94 = 402,734.04 : x
  2. Step 2: Convert to fraction form
    689,269.32/951,050.94 = 402,734.04/x
  3. Step 3: Cross multiply
    689,269.32x = 951,050.94 × 402,734.04
  4. Step 4: Simplify right side
    689,269.32x = 383,020,587,312.00
  5. Step 5: Solve for x
    x = 383,020,587,312.00/689,269.32
  6. Step 6: Final answer
    x = 555,690.75

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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.