Home / 991,948.24-1,368,896.52-539,238.16

Finding the Fourth Proportional to 991,948.24, 1,368,896.52 and 539,238.16

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Solution

The fourth proportional to 991,948.24, 1,368,896.52 and 539,238.16 is: 744,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,948.24 : 1,368,896.52 = 539,238.16 : x
  2. Step 2: Convert to fraction form
    991,948.24/1,368,896.52 = 539,238.16/x
  3. Step 3: Cross multiply
    991,948.24x = 1,368,896.52 × 539,238.16
  4. Step 4: Simplify right side
    991,948.24x = 738,161,240,675.20
  5. Step 5: Solve for x
    x = 738,161,240,675.20/991,948.24
  6. Step 6: Final answer
    x = 744,152.98

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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.