Home / 853,603.18-1,281,036.26-404,326.40

Finding the Fourth Proportional to 853,603.18, 1,281,036.26 and 404,326.40

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Solution

The fourth proportional to 853,603.18, 1,281,036.26 and 404,326.40 is: 606,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,603.18 : 1,281,036.26 = 404,326.40 : x
  2. Step 2: Convert to fraction form
    853,603.18/1,281,036.26 = 404,326.40/x
  3. Step 3: Cross multiply
    853,603.18x = 1,281,036.26 × 404,326.40
  4. Step 4: Simplify right side
    853,603.18x = 517,956,783,488.67
  5. Step 5: Solve for x
    x = 517,956,783,488.67/853,603.18
  6. Step 6: Final answer
    x = 606,788.72

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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.