Home / 893,602.90-1,340,404.35-538,434.10

Finding the Fourth Proportional to 893,602.90, 1,340,404.35 and 538,434.10

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Solution

The fourth proportional to 893,602.90, 1,340,404.35 and 538,434.10 is: 807,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,602.90 : 1,340,404.35 = 538,434.10 : x
  2. Step 2: Convert to fraction form
    893,602.90/1,340,404.35 = 538,434.10/x
  3. Step 3: Cross multiply
    893,602.90x = 1,340,404.35 × 538,434.10
  4. Step 4: Simplify right side
    893,602.90x = 721,719,409,828.34
  5. Step 5: Solve for x
    x = 721,719,409,828.34/893,602.90
  6. Step 6: Final answer
    x = 807,651.15

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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.