Home / 712,355.98-1,068,246.86-256,817.52

Finding the Fourth Proportional to 712,355.98, 1,068,246.86 and 256,817.52

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Solution

The fourth proportional to 712,355.98, 1,068,246.86 and 256,817.52 is: 385,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,355.98 : 1,068,246.86 = 256,817.52 : x
  2. Step 2: Convert to fraction form
    712,355.98/1,068,246.86 = 256,817.52/x
  3. Step 3: Cross multiply
    712,355.98x = 1,068,246.86 × 256,817.52
  4. Step 4: Simplify right side
    712,355.98x = 274,344,509,332.99
  5. Step 5: Solve for x
    x = 274,344,509,332.99/712,355.98
  6. Step 6: Final answer
    x = 385,122.77

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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.