Home / 761,681.22-1,142,620.11-256,024.14

Finding the Fourth Proportional to 761,681.22, 1,142,620.11 and 256,024.14

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Solution

The fourth proportional to 761,681.22, 1,142,620.11 and 256,024.14 is: 384,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,681.22 : 1,142,620.11 = 256,024.14 : x
  2. Step 2: Convert to fraction form
    761,681.22/1,142,620.11 = 256,024.14/x
  3. Step 3: Cross multiply
    761,681.22x = 1,142,620.11 × 256,024.14
  4. Step 4: Simplify right side
    761,681.22x = 292,538,331,009.46
  5. Step 5: Solve for x
    x = 292,538,331,009.46/761,681.22
  6. Step 6: Final answer
    x = 384,069.24

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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.