Home / 927,820.16-1,280,370.12-545,871.52

Finding the Fourth Proportional to 927,820.16, 1,280,370.12 and 545,871.52

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Solution

The fourth proportional to 927,820.16, 1,280,370.12 and 545,871.52 is: 753,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,820.16 : 1,280,370.12 = 545,871.52 : x
  2. Step 2: Convert to fraction form
    927,820.16/1,280,370.12 = 545,871.52/x
  3. Step 3: Cross multiply
    927,820.16x = 1,280,370.12 × 545,871.52
  4. Step 4: Simplify right side
    927,820.16x = 698,917,583,566.98
  5. Step 5: Solve for x
    x = 698,917,583,566.98/927,820.16
  6. Step 6: Final answer
    x = 753,289.93

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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.