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Finding the Fourth Proportional to 657,254.76, 907,053.58 and 370,670.28

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Solution

The fourth proportional to 657,254.76, 907,053.58 and 370,670.28 is: 511,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,254.76 : 907,053.58 = 370,670.28 : x
  2. Step 2: Convert to fraction form
    657,254.76/907,053.58 = 370,670.28/x
  3. Step 3: Cross multiply
    657,254.76x = 907,053.58 × 370,670.28
  4. Step 4: Simplify right side
    657,254.76x = 336,217,804,473.60
  5. Step 5: Solve for x
    x = 336,217,804,473.60/657,254.76
  6. Step 6: Final answer
    x = 511,548.68

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Double scale
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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.