Home / 634,397.40-951,374.77-255,219.80

Finding the Fourth Proportional to 634,397.40, 951,374.77 and 255,219.80

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Solution

The fourth proportional to 634,397.40, 951,374.77 and 255,219.80 is: 382,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,397.40 : 951,374.77 = 255,219.80 : x
  2. Step 2: Convert to fraction form
    634,397.40/951,374.77 = 255,219.80/x
  3. Step 3: Cross multiply
    634,397.40x = 951,374.77 × 255,219.80
  4. Step 4: Simplify right side
    634,397.40x = 242,809,673,129.52
  5. Step 5: Solve for x
    x = 242,809,673,129.52/634,397.40
  6. Step 6: Final answer
    x = 382,740.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.