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Finding the Fourth Proportional to 606,875.40, 909,985.05 and 251,925.30

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Solution

The fourth proportional to 606,875.40, 909,985.05 and 251,925.30 is: 377,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,875.40 : 909,985.05 = 251,925.30 : x
  2. Step 2: Convert to fraction form
    606,875.40/909,985.05 = 251,925.30/x
  3. Step 3: Cross multiply
    606,875.40x = 909,985.05 × 251,925.30
  4. Step 4: Simplify right side
    606,875.40x = 229,248,256,716.77
  5. Step 5: Solve for x
    x = 229,248,256,716.77/606,875.40
  6. Step 6: Final answer
    x = 377,751.77

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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.