Home / 810,591.01-1,118,673.48-448,007.08

Finding the Fourth Proportional to 810,591.01, 1,118,673.48 and 448,007.08

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Solution

The fourth proportional to 810,591.01, 1,118,673.48 and 448,007.08 is: 618,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,591.01 : 1,118,673.48 = 448,007.08 : x
  2. Step 2: Convert to fraction form
    810,591.01/1,118,673.48 = 448,007.08/x
  3. Step 3: Cross multiply
    810,591.01x = 1,118,673.48 × 448,007.08
  4. Step 4: Simplify right side
    810,591.01x = 501,173,639,248.24
  5. Step 5: Solve for x
    x = 501,173,639,248.24/810,591.01
  6. Step 6: Final answer
    x = 618,281.76

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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.