Home / 757,409.32-1,135,031.28-556,150.60

Finding the Fourth Proportional to 757,409.32, 1,135,031.28 and 556,150.60

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Solution

The fourth proportional to 757,409.32, 1,135,031.28 and 556,150.60 is: 833,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,409.32 : 1,135,031.28 = 556,150.60 : x
  2. Step 2: Convert to fraction form
    757,409.32/1,135,031.28 = 556,150.60/x
  3. Step 3: Cross multiply
    757,409.32x = 1,135,031.28 × 556,150.60
  4. Step 4: Simplify right side
    757,409.32x = 631,248,327,390.77
  5. Step 5: Solve for x
    x = 631,248,327,390.77/757,409.32
  6. Step 6: Final answer
    x = 833,430.89

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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.