Home / 915,999.11-1,264,099.02-508,087.67

Finding the Fourth Proportional to 915,999.11, 1,264,099.02 and 508,087.67

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Solution

The fourth proportional to 915,999.11, 1,264,099.02 and 508,087.67 is: 701,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,999.11 : 1,264,099.02 = 508,087.67 : x
  2. Step 2: Convert to fraction form
    915,999.11/1,264,099.02 = 508,087.67/x
  3. Step 3: Cross multiply
    915,999.11x = 1,264,099.02 × 508,087.67
  4. Step 4: Simplify right side
    915,999.11x = 642,273,119,400.59
  5. Step 5: Solve for x
    x = 642,273,119,400.59/915,999.11
  6. Step 6: Final answer
    x = 701,172.21

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Double scale
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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.