Home / 900,294.44-1,242,428.10-492,434.60

Finding the Fourth Proportional to 900,294.44, 1,242,428.10 and 492,434.60

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Solution

The fourth proportional to 900,294.44, 1,242,428.10 and 492,434.60 is: 679,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,294.44 : 1,242,428.10 = 492,434.60 : x
  2. Step 2: Convert to fraction form
    900,294.44/1,242,428.10 = 492,434.60/x
  3. Step 3: Cross multiply
    900,294.44x = 1,242,428.10 × 492,434.60
  4. Step 4: Simplify right side
    900,294.44x = 611,814,584,452.26
  5. Step 5: Solve for x
    x = 611,814,584,452.26/900,294.44
  6. Step 6: Final answer
    x = 679,571.66

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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.