Home / 885,831.71-1,328,419.51-286,637.45

Finding the Fourth Proportional to 885,831.71, 1,328,419.51 and 286,637.45

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Solution

The fourth proportional to 885,831.71, 1,328,419.51 and 286,637.45 is: 429,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,831.71 : 1,328,419.51 = 286,637.45 : x
  2. Step 2: Convert to fraction form
    885,831.71/1,328,419.51 = 286,637.45/x
  3. Step 3: Cross multiply
    885,831.71x = 1,328,419.51 × 286,637.45
  4. Step 4: Simplify right side
    885,831.71x = 380,774,780,876.65
  5. Step 5: Solve for x
    x = 380,774,780,876.65/885,831.71
  6. Step 6: Final answer
    x = 429,850.02

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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.