Home / 908,813.48-1,254,234.71-500,987.88

Finding the Fourth Proportional to 908,813.48, 1,254,234.71 and 500,987.88

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Solution

The fourth proportional to 908,813.48, 1,254,234.71 and 500,987.88 is: 691,403.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,813.48 : 1,254,234.71 = 500,987.88 : x
  2. Step 2: Convert to fraction form
    908,813.48/1,254,234.71 = 500,987.88/x
  3. Step 3: Cross multiply
    908,813.48x = 1,254,234.71 × 500,987.88
  4. Step 4: Simplify right side
    908,813.48x = 628,356,389,637.78
  5. Step 5: Solve for x
    x = 628,356,389,637.78/908,813.48
  6. Step 6: Final answer
    x = 691,403.03

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1.5x scale

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.