Home / 712,320.24-1,068,496.12-256,947.89

Finding the Fourth Proportional to 712,320.24, 1,068,496.12 and 256,947.89

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Solution

The fourth proportional to 712,320.24, 1,068,496.12 and 256,947.89 is: 385,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,320.24 : 1,068,496.12 = 256,947.89 : x
  2. Step 2: Convert to fraction form
    712,320.24/1,068,496.12 = 256,947.89/x
  3. Step 3: Cross multiply
    712,320.24x = 1,068,496.12 × 256,947.89
  4. Step 4: Simplify right side
    712,320.24x = 274,547,817,522.34
  5. Step 5: Solve for x
    x = 274,547,817,522.34/712,320.24
  6. Step 6: Final answer
    x = 385,427.51

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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.