Home / 782,237.16-1,079,398.08-438,025.23

Finding the Fourth Proportional to 782,237.16, 1,079,398.08 and 438,025.23

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Solution

The fourth proportional to 782,237.16, 1,079,398.08 and 438,025.23 is: 604,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,237.16 : 1,079,398.08 = 438,025.23 : x
  2. Step 2: Convert to fraction form
    782,237.16/1,079,398.08 = 438,025.23/x
  3. Step 3: Cross multiply
    782,237.16x = 1,079,398.08 × 438,025.23
  4. Step 4: Simplify right side
    782,237.16x = 472,803,592,253.56
  5. Step 5: Solve for x
    x = 472,803,592,253.56/782,237.16
  6. Step 6: Final answer
    x = 604,424.87

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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.