Home / 893,159.40-1,339,739.10-538,865.40

Finding the Fourth Proportional to 893,159.40, 1,339,739.10 and 538,865.40

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Solution

The fourth proportional to 893,159.40, 1,339,739.10 and 538,865.40 is: 808,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,159.40 : 1,339,739.10 = 538,865.40 : x
  2. Step 2: Convert to fraction form
    893,159.40/1,339,739.10 = 538,865.40/x
  3. Step 3: Cross multiply
    893,159.40x = 1,339,739.10 × 538,865.40
  4. Step 4: Simplify right side
    893,159.40x = 721,939,046,017.14
  5. Step 5: Solve for x
    x = 721,939,046,017.14/893,159.40
  6. Step 6: Final answer
    x = 808,298.10

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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.