Home / 734,275.80-1,013,299.74-428,562.36

Finding the Fourth Proportional to 734,275.80, 1,013,299.74 and 428,562.36

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Solution

The fourth proportional to 734,275.80, 1,013,299.74 and 428,562.36 is: 591,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,275.80 : 1,013,299.74 = 428,562.36 : x
  2. Step 2: Convert to fraction form
    734,275.80/1,013,299.74 = 428,562.36/x
  3. Step 3: Cross multiply
    734,275.80x = 1,013,299.74 × 428,562.36
  4. Step 4: Simplify right side
    734,275.80x = 434,262,127,961.79
  5. Step 5: Solve for x
    x = 434,262,127,961.79/734,275.80
  6. Step 6: Final answer
    x = 591,415.55

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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.