Home / 894,711.25-1,234,701.53-492,303.25

Finding the Fourth Proportional to 894,711.25, 1,234,701.53 and 492,303.25

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Solution

The fourth proportional to 894,711.25, 1,234,701.53 and 492,303.25 is: 679,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,711.25 : 1,234,701.53 = 492,303.25 : x
  2. Step 2: Convert to fraction form
    894,711.25/1,234,701.53 = 492,303.25/x
  3. Step 3: Cross multiply
    894,711.25x = 1,234,701.53 × 492,303.25
  4. Step 4: Simplify right side
    894,711.25x = 607,847,575,998.97
  5. Step 5: Solve for x
    x = 607,847,575,998.97/894,711.25
  6. Step 6: Final answer
    x = 679,378.49

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Double scale
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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.