Home / 877,090.86-1,210,394.39-514,520.90

Finding the Fourth Proportional to 877,090.86, 1,210,394.39 and 514,520.90

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Solution

The fourth proportional to 877,090.86, 1,210,394.39 and 514,520.90 is: 710,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,090.86 : 1,210,394.39 = 514,520.90 : x
  2. Step 2: Convert to fraction form
    877,090.86/1,210,394.39 = 514,520.90/x
  3. Step 3: Cross multiply
    877,090.86x = 1,210,394.39 × 514,520.90
  4. Step 4: Simplify right side
    877,090.86x = 622,773,202,273.18
  5. Step 5: Solve for x
    x = 622,773,202,273.18/877,090.86
  6. Step 6: Final answer
    x = 710,044.11

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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.