Home / 876,465.28-1,209,519.68-474,056.32

Finding the Fourth Proportional to 876,465.28, 1,209,519.68 and 474,056.32

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Solution

The fourth proportional to 876,465.28, 1,209,519.68 and 474,056.32 is: 654,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,465.28 : 1,209,519.68 = 474,056.32 : x
  2. Step 2: Convert to fraction form
    876,465.28/1,209,519.68 = 474,056.32/x
  3. Step 3: Cross multiply
    876,465.28x = 1,209,519.68 × 474,056.32
  4. Step 4: Simplify right side
    876,465.28x = 573,380,448,468.38
  5. Step 5: Solve for x
    x = 573,380,448,468.38/876,465.28
  6. Step 6: Final answer
    x = 654,196.42

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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.