Home / 838,004.49-1,156,472.42-475,443.63

Finding the Fourth Proportional to 838,004.49, 1,156,472.42 and 475,443.63

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Solution

The fourth proportional to 838,004.49, 1,156,472.42 and 475,443.63 is: 656,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,004.49 : 1,156,472.42 = 475,443.63 : x
  2. Step 2: Convert to fraction form
    838,004.49/1,156,472.42 = 475,443.63/x
  3. Step 3: Cross multiply
    838,004.49x = 1,156,472.42 × 475,443.63
  4. Step 4: Simplify right side
    838,004.49x = 549,837,442,982.47
  5. Step 5: Solve for x
    x = 549,837,442,982.47/838,004.49
  6. Step 6: Final answer
    x = 656,127.08

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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.