Home / 713,723.24-984,848.16-391,348.52

Finding the Fourth Proportional to 713,723.24, 984,848.16 and 391,348.52

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Solution

The fourth proportional to 713,723.24, 984,848.16 and 391,348.52 is: 540,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,723.24 : 984,848.16 = 391,348.52 : x
  2. Step 2: Convert to fraction form
    713,723.24/984,848.16 = 391,348.52/x
  3. Step 3: Cross multiply
    713,723.24x = 984,848.16 × 391,348.52
  4. Step 4: Simplify right side
    713,723.24x = 385,418,869,840.72
  5. Step 5: Solve for x
    x = 385,418,869,840.72/713,723.24
  6. Step 6: Final answer
    x = 540,011.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.