Home / 658,810.16-988,827.60-259,726.40

Finding the Fourth Proportional to 658,810.16, 988,827.60 and 259,726.40

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Solution

The fourth proportional to 658,810.16, 988,827.60 and 259,726.40 is: 389,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,810.16 : 988,827.60 = 259,726.40 : x
  2. Step 2: Convert to fraction form
    658,810.16/988,827.60 = 259,726.40/x
  3. Step 3: Cross multiply
    658,810.16x = 988,827.60 × 259,726.40
  4. Step 4: Simplify right side
    658,810.16x = 256,824,632,768.64
  5. Step 5: Solve for x
    x = 256,824,632,768.64/658,810.16
  6. Step 6: Final answer
    x = 389,831.01

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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.