Home / 921,482.67-1,381,653.77-359,856.75

Finding the Fourth Proportional to 921,482.67, 1,381,653.77 and 359,856.75

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Solution

The fourth proportional to 921,482.67, 1,381,653.77 and 359,856.75 is: 539,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,482.67 : 1,381,653.77 = 359,856.75 : x
  2. Step 2: Convert to fraction form
    921,482.67/1,381,653.77 = 359,856.75/x
  3. Step 3: Cross multiply
    921,482.67x = 1,381,653.77 × 359,856.75
  4. Step 4: Simplify right side
    921,482.67x = 497,197,433,498.16
  5. Step 5: Solve for x
    x = 497,197,433,498.16/921,482.67
  6. Step 6: Final answer
    x = 539,562.44

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Double scale
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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.