Home / 771,037.09-1,155,494.59-656,592.75

Finding the Fourth Proportional to 771,037.09, 1,155,494.59 and 656,592.75

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Solution

The fourth proportional to 771,037.09, 1,155,494.59 and 656,592.75 is: 983,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,037.09 : 1,155,494.59 = 656,592.75 : x
  2. Step 2: Convert to fraction form
    771,037.09/1,155,494.59 = 656,592.75/x
  3. Step 3: Cross multiply
    771,037.09x = 1,155,494.59 × 656,592.75
  4. Step 4: Simplify right side
    771,037.09x = 758,689,370,458.22
  5. Step 5: Solve for x
    x = 758,689,370,458.22/771,037.09
  6. Step 6: Final answer
    x = 983,985.57

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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.