Home / 977,813.76-1,349,391.36-548,094.72

Finding the Fourth Proportional to 977,813.76, 1,349,391.36 and 548,094.72

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Solution

The fourth proportional to 977,813.76, 1,349,391.36 and 548,094.72 is: 756,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,813.76 : 1,349,391.36 = 548,094.72 : x
  2. Step 2: Convert to fraction form
    977,813.76/1,349,391.36 = 548,094.72/x
  3. Step 3: Cross multiply
    977,813.76x = 1,349,391.36 × 548,094.72
  4. Step 4: Simplify right side
    977,813.76x = 739,594,279,629.62
  5. Step 5: Solve for x
    x = 739,594,279,629.62/977,813.76
  6. Step 6: Final answer
    x = 756,375.41

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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.