Home / 759,443.96-1,047,538.86-487,080.44

Finding the Fourth Proportional to 759,443.96, 1,047,538.86 and 487,080.44

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Solution

The fourth proportional to 759,443.96, 1,047,538.86 and 487,080.44 is: 671,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,443.96 : 1,047,538.86 = 487,080.44 : x
  2. Step 2: Convert to fraction form
    759,443.96/1,047,538.86 = 487,080.44/x
  3. Step 3: Cross multiply
    759,443.96x = 1,047,538.86 × 487,080.44
  4. Step 4: Simplify right side
    759,443.96x = 510,235,683,608.20
  5. Step 5: Solve for x
    x = 510,235,683,608.20/759,443.96
  6. Step 6: Final answer
    x = 671,854.30

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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.