Home / 908,854.04-1,254,226.91-500,971.52

Finding the Fourth Proportional to 908,854.04, 1,254,226.91 and 500,971.52

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Solution

The fourth proportional to 908,854.04, 1,254,226.91 and 500,971.52 is: 691,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,854.04 : 1,254,226.91 = 500,971.52 : x
  2. Step 2: Convert to fraction form
    908,854.04/1,254,226.91 = 500,971.52/x
  3. Step 3: Cross multiply
    908,854.04x = 1,254,226.91 × 500,971.52
  4. Step 4: Simplify right side
    908,854.04x = 628,331,952,751.61
  5. Step 5: Solve for x
    x = 628,331,952,751.61/908,854.04
  6. Step 6: Final answer
    x = 691,345.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.