Home / 756,948.78-1,134,137.85-456,798.67

Finding the Fourth Proportional to 756,948.78, 1,134,137.85 and 456,798.67

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Solution

The fourth proportional to 756,948.78, 1,134,137.85 and 456,798.67 is: 684,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,948.78 : 1,134,137.85 = 456,798.67 : x
  2. Step 2: Convert to fraction form
    756,948.78/1,134,137.85 = 456,798.67/x
  3. Step 3: Cross multiply
    756,948.78x = 1,134,137.85 × 456,798.67
  4. Step 4: Simplify right side
    756,948.78x = 518,072,661,476.66
  5. Step 5: Solve for x
    x = 518,072,661,476.66/756,948.78
  6. Step 6: Final answer
    x = 684,422.35

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Double scale
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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.