Home / 947,748.90-1,421,872.62-340,598.55

Finding the Fourth Proportional to 947,748.90, 1,421,872.62 and 340,598.55

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Solution

The fourth proportional to 947,748.90, 1,421,872.62 and 340,598.55 is: 510,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,748.90 : 1,421,872.62 = 340,598.55 : x
  2. Step 2: Convert to fraction form
    947,748.90/1,421,872.62 = 340,598.55/x
  3. Step 3: Cross multiply
    947,748.90x = 1,421,872.62 × 340,598.55
  4. Step 4: Simplify right side
    947,748.90x = 484,287,752,656.70
  5. Step 5: Solve for x
    x = 484,287,752,656.70/947,748.90
  6. Step 6: Final answer
    x = 510,987.41

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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.