Home / 860,897.24-1,187,717.29-538,484.84

Finding the Fourth Proportional to 860,897.24, 1,187,717.29 and 538,484.84

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Solution

The fourth proportional to 860,897.24, 1,187,717.29 and 538,484.84 is: 742,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,897.24 : 1,187,717.29 = 538,484.84 : x
  2. Step 2: Convert to fraction form
    860,897.24/1,187,717.29 = 538,484.84/x
  3. Step 3: Cross multiply
    860,897.24x = 1,187,717.29 × 538,484.84
  4. Step 4: Simplify right side
    860,897.24x = 639,567,748,932.30
  5. Step 5: Solve for x
    x = 639,567,748,932.30/860,897.24
  6. Step 6: Final answer
    x = 742,908.36

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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.