Home / 698,341.86-1,046,700.36-399,032.28

Finding the Fourth Proportional to 698,341.86, 1,046,700.36 and 399,032.28

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Solution

The fourth proportional to 698,341.86, 1,046,700.36 and 399,032.28 is: 598,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,341.86 : 1,046,700.36 = 399,032.28 : x
  2. Step 2: Convert to fraction form
    698,341.86/1,046,700.36 = 399,032.28/x
  3. Step 3: Cross multiply
    698,341.86x = 1,046,700.36 × 399,032.28
  4. Step 4: Simplify right side
    698,341.86x = 417,667,231,127.62
  5. Step 5: Solve for x
    x = 417,667,231,127.62/698,341.86
  6. Step 6: Final answer
    x = 598,084.20

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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.