Home / 761,648.76-1,135,663.77-740,723.28

Finding the Fourth Proportional to 761,648.76, 1,135,663.77 and 740,723.28

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Solution

The fourth proportional to 761,648.76, 1,135,663.77 and 740,723.28 is: 1,104,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,648.76 : 1,135,663.77 = 740,723.28 : x
  2. Step 2: Convert to fraction form
    761,648.76/1,135,663.77 = 740,723.28/x
  3. Step 3: Cross multiply
    761,648.76x = 1,135,663.77 × 740,723.28
  4. Step 4: Simplify right side
    761,648.76x = 841,212,592,691.57
  5. Step 5: Solve for x
    x = 841,212,592,691.57/761,648.76
  6. Step 6: Final answer
    x = 1,104,462.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.