Home / 486,815.07-730,305.64-217,041.10

Finding the Fourth Proportional to 486,815.07, 730,305.64 and 217,041.10

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Solution

The fourth proportional to 486,815.07, 730,305.64 and 217,041.10 is: 325,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,815.07 : 730,305.64 = 217,041.10 : x
  2. Step 2: Convert to fraction form
    486,815.07/730,305.64 = 217,041.10/x
  3. Step 3: Cross multiply
    486,815.07x = 730,305.64 × 217,041.10
  4. Step 4: Simplify right side
    486,815.07x = 158,506,339,441.80
  5. Step 5: Solve for x
    x = 158,506,339,441.80/486,815.07
  6. Step 6: Final answer
    x = 325,598.67

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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.