Home / 657,130.37-906,882.23-370,644.31

Finding the Fourth Proportional to 657,130.37, 906,882.23 and 370,644.31

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Solution

The fourth proportional to 657,130.37, 906,882.23 and 370,644.31 is: 511,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,130.37 : 906,882.23 = 370,644.31 : x
  2. Step 2: Convert to fraction form
    657,130.37/906,882.23 = 370,644.31/x
  3. Step 3: Cross multiply
    657,130.37x = 906,882.23 × 370,644.31
  4. Step 4: Simplify right side
    657,130.37x = 336,130,737,049.02
  5. Step 5: Solve for x
    x = 336,130,737,049.02/657,130.37
  6. Step 6: Final answer
    x = 511,513.01

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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.