Home / 876,813.26-1,210,002.28-474,405.26

Finding the Fourth Proportional to 876,813.26, 1,210,002.28 and 474,405.26

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Solution

The fourth proportional to 876,813.26, 1,210,002.28 and 474,405.26 is: 654,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,813.26 : 1,210,002.28 = 474,405.26 : x
  2. Step 2: Convert to fraction form
    876,813.26/1,210,002.28 = 474,405.26/x
  3. Step 3: Cross multiply
    876,813.26x = 1,210,002.28 × 474,405.26
  4. Step 4: Simplify right side
    876,813.26x = 574,031,446,243.99
  5. Step 5: Solve for x
    x = 574,031,446,243.99/876,813.26
  6. Step 6: Final answer
    x = 654,679.25

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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.