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Finding the Fourth Proportional to 613,747.80, 846,742.77 and 612,801.63

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Solution

The fourth proportional to 613,747.80, 846,742.77 and 612,801.63 is: 845,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,747.80 : 846,742.77 = 612,801.63 : x
  2. Step 2: Convert to fraction form
    613,747.80/846,742.77 = 612,801.63/x
  3. Step 3: Cross multiply
    613,747.80x = 846,742.77 × 612,801.63
  4. Step 4: Simplify right side
    613,747.80x = 518,885,349,646.72
  5. Step 5: Solve for x
    x = 518,885,349,646.72/613,747.80
  6. Step 6: Final answer
    x = 845,437.41

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1.5x scale

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.