Home / 882,380.25-1,217,684.73-500,407.02

Finding the Fourth Proportional to 882,380.25, 1,217,684.73 and 500,407.02

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Solution

The fourth proportional to 882,380.25, 1,217,684.73 and 500,407.02 is: 690,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,380.25 : 1,217,684.73 = 500,407.02 : x
  2. Step 2: Convert to fraction form
    882,380.25/1,217,684.73 = 500,407.02/x
  3. Step 3: Cross multiply
    882,380.25x = 1,217,684.73 × 500,407.02
  4. Step 4: Simplify right side
    882,380.25x = 609,337,987,038.81
  5. Step 5: Solve for x
    x = 609,337,987,038.81/882,380.25
  6. Step 6: Final answer
    x = 690,561.68

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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.