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Finding the Fourth Proportional to 768,606.96, 1,154,660 and 556,030.56

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Solution

The fourth proportional to 768,606.96, 1,154,660 and 556,030.56 is: 835,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,606.96 : 1,154,660 = 556,030.56 : x
  2. Step 2: Convert to fraction form
    768,606.96/1,154,660 = 556,030.56/x
  3. Step 3: Cross multiply
    768,606.96x = 1,154,660 × 556,030.56
  4. Step 4: Simplify right side
    768,606.96x = 642,026,246,409.60
  5. Step 5: Solve for x
    x = 642,026,246,409.60/768,606.96
  6. Step 6: Final answer
    x = 835,311.52

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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.