Home / 887,518.92-1,330,996.50-288,341.67

Finding the Fourth Proportional to 887,518.92, 1,330,996.50 and 288,341.67

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Solution

The fourth proportional to 887,518.92, 1,330,996.50 and 288,341.67 is: 432,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,518.92 : 1,330,996.50 = 288,341.67 : x
  2. Step 2: Convert to fraction form
    887,518.92/1,330,996.50 = 288,341.67/x
  3. Step 3: Cross multiply
    887,518.92x = 1,330,996.50 × 288,341.67
  4. Step 4: Simplify right side
    887,518.92x = 383,781,753,574.16
  5. Step 5: Solve for x
    x = 383,781,753,574.16/887,518.92
  6. Step 6: Final answer
    x = 432,420.93

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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.