Home / 917,666.46-1,376,639.60-468,142.11

Finding the Fourth Proportional to 917,666.46, 1,376,639.60 and 468,142.11

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Solution

The fourth proportional to 917,666.46, 1,376,639.60 and 468,142.11 is: 702,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,666.46 : 1,376,639.60 = 468,142.11 : x
  2. Step 2: Convert to fraction form
    917,666.46/1,376,639.60 = 468,142.11/x
  3. Step 3: Cross multiply
    917,666.46x = 1,376,639.60 × 468,142.11
  4. Step 4: Simplify right side
    917,666.46x = 644,462,967,053.56
  5. Step 5: Solve for x
    x = 644,462,967,053.56/917,666.46
  6. Step 6: Final answer
    x = 702,284.54

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1.5x scale

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.