Home / 657,566.32-907,437.72-355,753.84

Finding the Fourth Proportional to 657,566.32, 907,437.72 and 355,753.84

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Solution

The fourth proportional to 657,566.32, 907,437.72 and 355,753.84 is: 490,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,566.32 : 907,437.72 = 355,753.84 : x
  2. Step 2: Convert to fraction form
    657,566.32/907,437.72 = 355,753.84/x
  3. Step 3: Cross multiply
    657,566.32x = 907,437.72 × 355,753.84
  4. Step 4: Simplify right side
    657,566.32x = 322,824,453,450.85
  5. Step 5: Solve for x
    x = 322,824,453,450.85/657,566.32
  6. Step 6: Final answer
    x = 490,938.24

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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.