Home / 761,261.52-1,142,600.76-387,564.24

Finding the Fourth Proportional to 761,261.52, 1,142,600.76 and 387,564.24

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Solution

The fourth proportional to 761,261.52, 1,142,600.76 and 387,564.24 is: 581,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,261.52 : 1,142,600.76 = 387,564.24 : x
  2. Step 2: Convert to fraction form
    761,261.52/1,142,600.76 = 387,564.24/x
  3. Step 3: Cross multiply
    761,261.52x = 1,142,600.76 × 387,564.24
  4. Step 4: Simplify right side
    761,261.52x = 442,831,195,172.82
  5. Step 5: Solve for x
    x = 442,831,195,172.82/761,261.52
  6. Step 6: Final answer
    x = 581,707.05

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1.5x scale

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.