Home / 749,640.42-1,034,574.93-410,159.70

Finding the Fourth Proportional to 749,640.42, 1,034,574.93 and 410,159.70

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Solution

The fourth proportional to 749,640.42, 1,034,574.93 and 410,159.70 is: 566,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,640.42 : 1,034,574.93 = 410,159.70 : x
  2. Step 2: Convert to fraction form
    749,640.42/1,034,574.93 = 410,159.70/x
  3. Step 3: Cross multiply
    749,640.42x = 1,034,574.93 × 410,159.70
  4. Step 4: Simplify right side
    749,640.42x = 424,340,942,916.32
  5. Step 5: Solve for x
    x = 424,340,942,916.32/749,640.42
  6. Step 6: Final answer
    x = 566,059.32

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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.