Home / 977,997.74-1,349,701.67-548,305.70

Finding the Fourth Proportional to 977,997.74, 1,349,701.67 and 548,305.70

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Solution

The fourth proportional to 977,997.74, 1,349,701.67 and 548,305.70 is: 756,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,997.74 : 1,349,701.67 = 548,305.70 : x
  2. Step 2: Convert to fraction form
    977,997.74/1,349,701.67 = 548,305.70/x
  3. Step 3: Cross multiply
    977,997.74x = 1,349,701.67 × 548,305.70
  4. Step 4: Simplify right side
    977,997.74x = 740,049,116,218.99
  5. Step 5: Solve for x
    x = 740,049,116,218.99/977,997.74
  6. Step 6: Final answer
    x = 756,698.19

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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.