Home / 657,293.52-907,065.04-355,487.52

Finding the Fourth Proportional to 657,293.52, 907,065.04 and 355,487.52

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Solution

The fourth proportional to 657,293.52, 907,065.04 and 355,487.52 is: 490,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,293.52 : 907,065.04 = 355,487.52 : x
  2. Step 2: Convert to fraction form
    657,293.52/907,065.04 = 355,487.52/x
  3. Step 3: Cross multiply
    657,293.52x = 907,065.04 × 355,487.52
  4. Step 4: Simplify right side
    657,293.52x = 322,450,301,548.30
  5. Step 5: Solve for x
    x = 322,450,301,548.30/657,293.52
  6. Step 6: Final answer
    x = 490,572.77

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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.