Home / 852,437.46-1,176,347.02-465,255.66

Finding the Fourth Proportional to 852,437.46, 1,176,347.02 and 465,255.66

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Solution

The fourth proportional to 852,437.46, 1,176,347.02 and 465,255.66 is: 642,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,437.46 : 1,176,347.02 = 465,255.66 : x
  2. Step 2: Convert to fraction form
    852,437.46/1,176,347.02 = 465,255.66/x
  3. Step 3: Cross multiply
    852,437.46x = 1,176,347.02 × 465,255.66
  4. Step 4: Simplify right side
    852,437.46x = 547,302,109,179.13
  5. Step 5: Solve for x
    x = 547,302,109,179.13/852,437.46
  6. Step 6: Final answer
    x = 642,043.71

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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.