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Finding the Fourth Proportional to 657,595.80, 907,494.30 and 371,060.60

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Solution

The fourth proportional to 657,595.80, 907,494.30 and 371,060.60 is: 512,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,595.80 : 907,494.30 = 371,060.60 : x
  2. Step 2: Convert to fraction form
    657,595.80/907,494.30 = 371,060.60/x
  3. Step 3: Cross multiply
    657,595.80x = 907,494.30 × 371,060.60
  4. Step 4: Simplify right side
    657,595.80x = 336,735,374,917.11
  5. Step 5: Solve for x
    x = 336,735,374,917.11/657,595.80
  6. Step 6: Final answer
    x = 512,070.45

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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.