Home / 692,126.13-1,038,350.67-236,720.90

Finding the Fourth Proportional to 692,126.13, 1,038,350.67 and 236,720.90

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Solution

The fourth proportional to 692,126.13, 1,038,350.67 and 236,720.90 is: 355,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,126.13 : 1,038,350.67 = 236,720.90 : x
  2. Step 2: Convert to fraction form
    692,126.13/1,038,350.67 = 236,720.90/x
  3. Step 3: Cross multiply
    692,126.13x = 1,038,350.67 × 236,720.90
  4. Step 4: Simplify right side
    692,126.13x = 245,799,300,985.45
  5. Step 5: Solve for x
    x = 245,799,300,985.45/692,126.13
  6. Step 6: Final answer
    x = 355,136.57

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1.5x scale

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.