Home / 811,096.45-1,119,320.35-448,544.70

Finding the Fourth Proportional to 811,096.45, 1,119,320.35 and 448,544.70

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Solution

The fourth proportional to 811,096.45, 1,119,320.35 and 448,544.70 is: 618,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,096.45 : 1,119,320.35 = 448,544.70 : x
  2. Step 2: Convert to fraction form
    811,096.45/1,119,320.35 = 448,544.70/x
  3. Step 3: Cross multiply
    811,096.45x = 1,119,320.35 × 448,544.70
  4. Step 4: Simplify right side
    811,096.45x = 502,065,210,594.65
  5. Step 5: Solve for x
    x = 502,065,210,594.65/811,096.45
  6. Step 6: Final answer
    x = 618,995.69

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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.