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Finding the Fourth Proportional to 562,526.40, 842,477.40 and 551,251.20

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Solution

The fourth proportional to 562,526.40, 842,477.40 and 551,251.20 is: 825,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,526.40 : 842,477.40 = 551,251.20 : x
  2. Step 2: Convert to fraction form
    562,526.40/842,477.40 = 551,251.20/x
  3. Step 3: Cross multiply
    562,526.40x = 842,477.40 × 551,251.20
  4. Step 4: Simplify right side
    562,526.40x = 464,416,677,722.88
  5. Step 5: Solve for x
    x = 464,416,677,722.88/562,526.40
  6. Step 6: Final answer
    x = 825,590.90

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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.