Home / 734,254.19-1,013,334.90-428,429.10

Finding the Fourth Proportional to 734,254.19, 1,013,334.90 and 428,429.10

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Solution

The fourth proportional to 734,254.19, 1,013,334.90 and 428,429.10 is: 591,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,254.19 : 1,013,334.90 = 428,429.10 : x
  2. Step 2: Convert to fraction form
    734,254.19/1,013,334.90 = 428,429.10/x
  3. Step 3: Cross multiply
    734,254.19x = 1,013,334.90 × 428,429.10
  4. Step 4: Simplify right side
    734,254.19x = 434,142,159,205.59
  5. Step 5: Solve for x
    x = 434,142,159,205.59/734,254.19
  6. Step 6: Final answer
    x = 591,269.57

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Double scale
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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.