Home / 862,931.52-1,190,813.02-500,370.68

Finding the Fourth Proportional to 862,931.52, 1,190,813.02 and 500,370.68

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Solution

The fourth proportional to 862,931.52, 1,190,813.02 and 500,370.68 is: 690,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,931.52 : 1,190,813.02 = 500,370.68 : x
  2. Step 2: Convert to fraction form
    862,931.52/1,190,813.02 = 500,370.68/x
  3. Step 3: Cross multiply
    862,931.52x = 1,190,813.02 × 500,370.68
  4. Step 4: Simplify right side
    862,931.52x = 595,847,920,570.25
  5. Step 5: Solve for x
    x = 595,847,920,570.25/862,931.52
  6. Step 6: Final answer
    x = 690,492.71

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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.