Home / 817,052.40-1,225,578.60-397,148.40

Finding the Fourth Proportional to 817,052.40, 1,225,578.60 and 397,148.40

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Solution

The fourth proportional to 817,052.40, 1,225,578.60 and 397,148.40 is: 595,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,052.40 : 1,225,578.60 = 397,148.40 : x
  2. Step 2: Convert to fraction form
    817,052.40/1,225,578.60 = 397,148.40/x
  3. Step 3: Cross multiply
    817,052.40x = 1,225,578.60 × 397,148.40
  4. Step 4: Simplify right side
    817,052.40x = 486,736,580,064.24
  5. Step 5: Solve for x
    x = 486,736,580,064.24/817,052.40
  6. Step 6: Final answer
    x = 595,722.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.