Home / 772,243.01-1,064,514.02-542,154.81

Finding the Fourth Proportional to 772,243.01, 1,064,514.02 and 542,154.81

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Solution

The fourth proportional to 772,243.01, 1,064,514.02 and 542,154.81 is: 747,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,243.01 : 1,064,514.02 = 542,154.81 : x
  2. Step 2: Convert to fraction form
    772,243.01/1,064,514.02 = 542,154.81/x
  3. Step 3: Cross multiply
    772,243.01x = 1,064,514.02 × 542,154.81
  4. Step 4: Simplify right side
    772,243.01x = 577,131,393,544.66
  5. Step 5: Solve for x
    x = 577,131,393,544.66/772,243.01
  6. Step 6: Final answer
    x = 747,344.28

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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.