Home / 692,642.60-1,038,963.90-574,447.40

Finding the Fourth Proportional to 692,642.60, 1,038,963.90 and 574,447.40

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Solution

The fourth proportional to 692,642.60, 1,038,963.90 and 574,447.40 is: 861,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,642.60 : 1,038,963.90 = 574,447.40 : x
  2. Step 2: Convert to fraction form
    692,642.60/1,038,963.90 = 574,447.40/x
  3. Step 3: Cross multiply
    692,642.60x = 1,038,963.90 × 574,447.40
  4. Step 4: Simplify right side
    692,642.60x = 596,830,111,048.86
  5. Step 5: Solve for x
    x = 596,830,111,048.86/692,642.60
  6. Step 6: Final answer
    x = 861,671.10

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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.