Home / 815,271.93-1,125,165.18-466,444.74

Finding the Fourth Proportional to 815,271.93, 1,125,165.18 and 466,444.74

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Solution

The fourth proportional to 815,271.93, 1,125,165.18 and 466,444.74 is: 643,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,271.93 : 1,125,165.18 = 466,444.74 : x
  2. Step 2: Convert to fraction form
    815,271.93/1,125,165.18 = 466,444.74/x
  3. Step 3: Cross multiply
    815,271.93x = 1,125,165.18 × 466,444.74
  4. Step 4: Simplify right side
    815,271.93x = 524,827,379,842.15
  5. Step 5: Solve for x
    x = 524,827,379,842.15/815,271.93
  6. Step 6: Final answer
    x = 643,745.19

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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.