Home / 990,225.65-1,366,543.96-560,496.56

Finding the Fourth Proportional to 990,225.65, 1,366,543.96 and 560,496.56

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Solution

The fourth proportional to 990,225.65, 1,366,543.96 and 560,496.56 is: 773,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,225.65 : 1,366,543.96 = 560,496.56 : x
  2. Step 2: Convert to fraction form
    990,225.65/1,366,543.96 = 560,496.56/x
  3. Step 3: Cross multiply
    990,225.65x = 1,366,543.96 × 560,496.56
  4. Step 4: Simplify right side
    990,225.65x = 765,943,180,434.82
  5. Step 5: Solve for x
    x = 765,943,180,434.82/990,225.65
  6. Step 6: Final answer
    x = 773,503.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.