Home / 734,254.01-1,013,334.65-428,428.92

Finding the Fourth Proportional to 734,254.01, 1,013,334.65 and 428,428.92

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Solution

The fourth proportional to 734,254.01, 1,013,334.65 and 428,428.92 is: 591,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,254.01 : 1,013,334.65 = 428,428.92 : x
  2. Step 2: Convert to fraction form
    734,254.01/1,013,334.65 = 428,428.92/x
  3. Step 3: Cross multiply
    734,254.01x = 1,013,334.65 × 428,428.92
  4. Step 4: Simplify right side
    734,254.01x = 434,141,869,698.08
  5. Step 5: Solve for x
    x = 434,141,869,698.08/734,254.01
  6. Step 6: Final answer
    x = 591,269.32

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Double scale
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Similar ratio
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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.