Home / 692,726.64-1,039,130.28-194,129.52

Finding the Fourth Proportional to 692,726.64, 1,039,130.28 and 194,129.52

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Solution

The fourth proportional to 692,726.64, 1,039,130.28 and 194,129.52 is: 291,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,726.64 : 1,039,130.28 = 194,129.52 : x
  2. Step 2: Convert to fraction form
    692,726.64/1,039,130.28 = 194,129.52/x
  3. Step 3: Cross multiply
    692,726.64x = 1,039,130.28 × 194,129.52
  4. Step 4: Simplify right side
    692,726.64x = 201,725,862,473.87
  5. Step 5: Solve for x
    x = 201,725,862,473.87/692,726.64
  6. Step 6: Final answer
    x = 291,205.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.