Home / 989,473.67-1,365,476.29-536,764.67

Finding the Fourth Proportional to 989,473.67, 1,365,476.29 and 536,764.67

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Solution

The fourth proportional to 989,473.67, 1,365,476.29 and 536,764.67 is: 740,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,473.67 : 1,365,476.29 = 536,764.67 : x
  2. Step 2: Convert to fraction form
    989,473.67/1,365,476.29 = 536,764.67/x
  3. Step 3: Cross multiply
    989,473.67x = 1,365,476.29 × 536,764.67
  4. Step 4: Simplify right side
    989,473.67x = 732,939,422,025.38
  5. Step 5: Solve for x
    x = 732,939,422,025.38/989,473.67
  6. Step 6: Final answer
    x = 740,736.66

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1.5x scale

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.