Home / 951,050.40-1,312,441.20-521,329.20

Finding the Fourth Proportional to 951,050.40, 1,312,441.20 and 521,329.20

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Solution

The fourth proportional to 951,050.40, 1,312,441.20 and 521,329.20 is: 719,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,050.40 : 1,312,441.20 = 521,329.20 : x
  2. Step 2: Convert to fraction form
    951,050.40/1,312,441.20 = 521,329.20/x
  3. Step 3: Cross multiply
    951,050.40x = 1,312,441.20 × 521,329.20
  4. Step 4: Simplify right side
    951,050.40x = 684,213,920,843.04
  5. Step 5: Solve for x
    x = 684,213,920,843.04/951,050.40
  6. Step 6: Final answer
    x = 719,429.72

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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.