Home / 692,693.16-1,038,121.20-355,720.20

Finding the Fourth Proportional to 692,693.16, 1,038,121.20 and 355,720.20

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Solution

The fourth proportional to 692,693.16, 1,038,121.20 and 355,720.20 is: 533,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,693.16 : 1,038,121.20 = 355,720.20 : x
  2. Step 2: Convert to fraction form
    692,693.16/1,038,121.20 = 355,720.20/x
  3. Step 3: Cross multiply
    692,693.16x = 1,038,121.20 × 355,720.20
  4. Step 4: Simplify right side
    692,693.16x = 369,280,680,888.24
  5. Step 5: Solve for x
    x = 369,280,680,888.24/692,693.16
  6. Step 6: Final answer
    x = 533,108.60

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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.