Home / 734,963.31-1,014,299.51-408,314.61

Finding the Fourth Proportional to 734,963.31, 1,014,299.51 and 408,314.61

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Solution

The fourth proportional to 734,963.31, 1,014,299.51 and 408,314.61 is: 563,502.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,963.31 : 1,014,299.51 = 408,314.61 : x
  2. Step 2: Convert to fraction form
    734,963.31/1,014,299.51 = 408,314.61/x
  3. Step 3: Cross multiply
    734,963.31x = 1,014,299.51 × 408,314.61
  4. Step 4: Simplify right side
    734,963.31x = 414,153,306,807.27
  5. Step 5: Solve for x
    x = 414,153,306,807.27/734,963.31
  6. Step 6: Final answer
    x = 563,502.02

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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.