Home / 989,476.67-1,365,480.44-536,767.67

Finding the Fourth Proportional to 989,476.67, 1,365,480.44 and 536,767.67

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Solution

The fourth proportional to 989,476.67, 1,365,480.44 and 536,767.67 is: 740,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,476.67 : 1,365,480.44 = 536,767.67 : x
  2. Step 2: Convert to fraction form
    989,476.67/1,365,480.44 = 536,767.67/x
  3. Step 3: Cross multiply
    989,476.67x = 1,365,480.44 × 536,767.67
  4. Step 4: Simplify right side
    989,476.67x = 732,945,754,209.38
  5. Step 5: Solve for x
    x = 732,945,754,209.38/989,476.67
  6. Step 6: Final answer
    x = 740,740.81

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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.