Home / 902,404.80-1,353,607.20-370,307.70

Finding the Fourth Proportional to 902,404.80, 1,353,607.20 and 370,307.70

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Solution

The fourth proportional to 902,404.80, 1,353,607.20 and 370,307.70 is: 555,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,404.80 : 1,353,607.20 = 370,307.70 : x
  2. Step 2: Convert to fraction form
    902,404.80/1,353,607.20 = 370,307.70/x
  3. Step 3: Cross multiply
    902,404.80x = 1,353,607.20 × 370,307.70
  4. Step 4: Simplify right side
    902,404.80x = 501,251,168,935.44
  5. Step 5: Solve for x
    x = 501,251,168,935.44/902,404.80
  6. Step 6: Final answer
    x = 555,461.55

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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.