Home / 710,051.27-1,065,605.90-521,000.16

Finding the Fourth Proportional to 710,051.27, 1,065,605.90 and 521,000.16

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Solution

The fourth proportional to 710,051.27, 1,065,605.90 and 521,000.16 is: 781,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,051.27 : 1,065,605.90 = 521,000.16 : x
  2. Step 2: Convert to fraction form
    710,051.27/1,065,605.90 = 521,000.16/x
  3. Step 3: Cross multiply
    710,051.27x = 1,065,605.90 × 521,000.16
  4. Step 4: Simplify right side
    710,051.27x = 555,180,841,791.94
  5. Step 5: Solve for x
    x = 555,180,841,791.94/710,051.27
  6. Step 6: Final answer
    x = 781,888.38

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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.