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Finding the Fourth Proportional to 657,794.96, 907,756.64 and 371,317.52

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Solution

The fourth proportional to 657,794.96, 907,756.64 and 371,317.52 is: 512,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,794.96 : 907,756.64 = 371,317.52 : x
  2. Step 2: Convert to fraction form
    657,794.96/907,756.64 = 371,317.52/x
  3. Step 3: Cross multiply
    657,794.96x = 907,756.64 × 371,317.52
  4. Step 4: Simplify right side
    657,794.96x = 337,065,944,328.33
  5. Step 5: Solve for x
    x = 337,065,944,328.33/657,794.96
  6. Step 6: Final answer
    x = 512,417.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.