Home / 712,141.77-1,068,212.65-238,825.76

Finding the Fourth Proportional to 712,141.77, 1,068,212.65 and 238,825.76

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Solution

The fourth proportional to 712,141.77, 1,068,212.65 and 238,825.76 is: 358,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,141.77 : 1,068,212.65 = 238,825.76 : x
  2. Step 2: Convert to fraction form
    712,141.77/1,068,212.65 = 238,825.76/x
  3. Step 3: Cross multiply
    712,141.77x = 1,068,212.65 × 238,825.76
  4. Step 4: Simplify right side
    712,141.77x = 255,116,699,167.93
  5. Step 5: Solve for x
    x = 255,116,699,167.93/712,141.77
  6. Step 6: Final answer
    x = 358,238.64

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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.