Home / 734,253.19-1,013,333.52-428,428.10

Finding the Fourth Proportional to 734,253.19, 1,013,333.52 and 428,428.10

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Solution

The fourth proportional to 734,253.19, 1,013,333.52 and 428,428.10 is: 591,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,253.19 : 1,013,333.52 = 428,428.10 : x
  2. Step 2: Convert to fraction form
    734,253.19/1,013,333.52 = 428,428.10/x
  3. Step 3: Cross multiply
    734,253.19x = 1,013,333.52 × 428,428.10
  4. Step 4: Simplify right side
    734,253.19x = 434,140,558,779.85
  5. Step 5: Solve for x
    x = 434,140,558,779.85/734,253.19
  6. Step 6: Final answer
    x = 591,268.20

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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.