Home / 784,466.40-1,175,587.16-328,566.48

Finding the Fourth Proportional to 784,466.40, 1,175,587.16 and 328,566.48

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Solution

The fourth proportional to 784,466.40, 1,175,587.16 and 328,566.48 is: 492,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,466.40 : 1,175,587.16 = 328,566.48 : x
  2. Step 2: Convert to fraction form
    784,466.40/1,175,587.16 = 328,566.48/x
  3. Step 3: Cross multiply
    784,466.40x = 1,175,587.16 × 328,566.48
  4. Step 4: Simplify right side
    784,466.40x = 386,258,535,094.40
  5. Step 5: Solve for x
    x = 386,258,535,094.40/784,466.40
  6. Step 6: Final answer
    x = 492,383.78

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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.