Home / 845,008.38-1,166,111.56-487,312.38

Finding the Fourth Proportional to 845,008.38, 1,166,111.56 and 487,312.38

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Solution

The fourth proportional to 845,008.38, 1,166,111.56 and 487,312.38 is: 672,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,008.38 : 1,166,111.56 = 487,312.38 : x
  2. Step 2: Convert to fraction form
    845,008.38/1,166,111.56 = 487,312.38/x
  3. Step 3: Cross multiply
    845,008.38x = 1,166,111.56 × 487,312.38
  4. Step 4: Simplify right side
    845,008.38x = 568,260,599,649.11
  5. Step 5: Solve for x
    x = 568,260,599,649.11/845,008.38
  6. Step 6: Final answer
    x = 672,491.08

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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.