Home / 895,419.10-1,343,128.65-304,443.10

Finding the Fourth Proportional to 895,419.10, 1,343,128.65 and 304,443.10

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Solution

The fourth proportional to 895,419.10, 1,343,128.65 and 304,443.10 is: 456,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,419.10 : 1,343,128.65 = 304,443.10 : x
  2. Step 2: Convert to fraction form
    895,419.10/1,343,128.65 = 304,443.10/x
  3. Step 3: Cross multiply
    895,419.10x = 1,343,128.65 × 304,443.10
  4. Step 4: Simplify right side
    895,419.10x = 408,906,249,904.82
  5. Step 5: Solve for x
    x = 408,906,249,904.82/895,419.10
  6. Step 6: Final answer
    x = 456,664.65

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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.