Home / 938,008.71-1,408,895.97-559,667.79

Finding the Fourth Proportional to 938,008.71, 1,408,895.97 and 559,667.79

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Solution

The fourth proportional to 938,008.71, 1,408,895.97 and 559,667.79 is: 840,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,008.71 : 1,408,895.97 = 559,667.79 : x
  2. Step 2: Convert to fraction form
    938,008.71/1,408,895.97 = 559,667.79/x
  3. Step 3: Cross multiply
    938,008.71x = 1,408,895.97 × 559,667.79
  4. Step 4: Simplify right side
    938,008.71x = 788,513,693,869.81
  5. Step 5: Solve for x
    x = 788,513,693,869.81/938,008.71
  6. Step 6: Final answer
    x = 840,625.13

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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.