Home / 898,287.30-1,347,139.08-299,087.10

Finding the Fourth Proportional to 898,287.30, 1,347,139.08 and 299,087.10

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Solution

The fourth proportional to 898,287.30, 1,347,139.08 and 299,087.10 is: 448,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,287.30 : 1,347,139.08 = 299,087.10 : x
  2. Step 2: Convert to fraction form
    898,287.30/1,347,139.08 = 299,087.10/x
  3. Step 3: Cross multiply
    898,287.30x = 1,347,139.08 × 299,087.10
  4. Step 4: Simplify right side
    898,287.30x = 402,911,920,733.87
  5. Step 5: Solve for x
    x = 402,911,920,733.87/898,287.30
  6. Step 6: Final answer
    x = 448,533.47

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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.