Home / 997,472.78-1,376,521.22-567,780.57

Finding the Fourth Proportional to 997,472.78, 1,376,521.22 and 567,780.57

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Solution

The fourth proportional to 997,472.78, 1,376,521.22 and 567,780.57 is: 783,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,472.78 : 1,376,521.22 = 567,780.57 : x
  2. Step 2: Convert to fraction form
    997,472.78/1,376,521.22 = 567,780.57/x
  3. Step 3: Cross multiply
    997,472.78x = 1,376,521.22 × 567,780.57
  4. Step 4: Simplify right side
    997,472.78x = 781,562,004,328.15
  5. Step 5: Solve for x
    x = 781,562,004,328.15/997,472.78
  6. Step 6: Final answer
    x = 783,542.19

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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.