Home / 898,427.40-1,347,641.10-366,330.30

Finding the Fourth Proportional to 898,427.40, 1,347,641.10 and 366,330.30

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Solution

The fourth proportional to 898,427.40, 1,347,641.10 and 366,330.30 is: 549,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,427.40 : 1,347,641.10 = 366,330.30 : x
  2. Step 2: Convert to fraction form
    898,427.40/1,347,641.10 = 366,330.30/x
  3. Step 3: Cross multiply
    898,427.40x = 1,347,641.10 × 366,330.30
  4. Step 4: Simplify right side
    898,427.40x = 493,681,768,455.33
  5. Step 5: Solve for x
    x = 493,681,768,455.33/898,427.40
  6. Step 6: Final answer
    x = 549,495.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.