Home / 692,726.16-1,038,170.64-355,753.20

Finding the Fourth Proportional to 692,726.16, 1,038,170.64 and 355,753.20

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Solution

The fourth proportional to 692,726.16, 1,038,170.64 and 355,753.20 is: 533,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,726.16 : 1,038,170.64 = 355,753.20 : x
  2. Step 2: Convert to fraction form
    692,726.16/1,038,170.64 = 355,753.20/x
  3. Step 3: Cross multiply
    692,726.16x = 1,038,170.64 × 355,753.20
  4. Step 4: Simplify right side
    692,726.16x = 369,332,527,326.05
  5. Step 5: Solve for x
    x = 369,332,527,326.05/692,726.16
  6. Step 6: Final answer
    x = 533,158.05

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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.