Home / 822,939.18-1,234,153.52-290,335.67

Finding the Fourth Proportional to 822,939.18, 1,234,153.52 and 290,335.67

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Solution

The fourth proportional to 822,939.18, 1,234,153.52 and 290,335.67 is: 435,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,939.18 : 1,234,153.52 = 290,335.67 : x
  2. Step 2: Convert to fraction form
    822,939.18/1,234,153.52 = 290,335.67/x
  3. Step 3: Cross multiply
    822,939.18x = 1,234,153.52 × 290,335.67
  4. Step 4: Simplify right side
    822,939.18x = 358,318,781,489.61
  5. Step 5: Solve for x
    x = 358,318,781,489.61/822,939.18
  6. Step 6: Final answer
    x = 435,413.44

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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.