Home / 742,245.28-1,025,259.39-549,045.70

Finding the Fourth Proportional to 742,245.28, 1,025,259.39 and 549,045.70

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Solution

The fourth proportional to 742,245.28, 1,025,259.39 and 549,045.70 is: 758,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,245.28 : 1,025,259.39 = 549,045.70 : x
  2. Step 2: Convert to fraction form
    742,245.28/1,025,259.39 = 549,045.70/x
  3. Step 3: Cross multiply
    742,245.28x = 1,025,259.39 × 549,045.70
  4. Step 4: Simplify right side
    742,245.28x = 562,914,256,900.98
  5. Step 5: Solve for x
    x = 562,914,256,900.98/742,245.28
  6. Step 6: Final answer
    x = 758,393.85

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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.