Home / 712,282.17-1,068,684.48-375,309.21

Finding the Fourth Proportional to 712,282.17, 1,068,684.48 and 375,309.21

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Solution

The fourth proportional to 712,282.17, 1,068,684.48 and 375,309.21 is: 563,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,282.17 : 1,068,684.48 = 375,309.21 : x
  2. Step 2: Convert to fraction form
    712,282.17/1,068,684.48 = 375,309.21/x
  3. Step 3: Cross multiply
    712,282.17x = 1,068,684.48 × 375,309.21
  4. Step 4: Simplify right side
    712,282.17x = 401,087,127,928.06
  5. Step 5: Solve for x
    x = 401,087,127,928.06/712,282.17
  6. Step 6: Final answer
    x = 563,101.46

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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.