Home / 654,677.19-903,319.07-382,692.47

Finding the Fourth Proportional to 654,677.19, 903,319.07 and 382,692.47

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Solution

The fourth proportional to 654,677.19, 903,319.07 and 382,692.47 is: 528,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,677.19 : 903,319.07 = 382,692.47 : x
  2. Step 2: Convert to fraction form
    654,677.19/903,319.07 = 382,692.47/x
  3. Step 3: Cross multiply
    654,677.19x = 903,319.07 × 382,692.47
  4. Step 4: Simplify right side
    654,677.19x = 345,693,399,666.35
  5. Step 5: Solve for x
    x = 345,693,399,666.35/654,677.19
  6. Step 6: Final answer
    x = 528,036.42

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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.