Home / 876,223.40-1,209,188.40-473,815.40

Finding the Fourth Proportional to 876,223.40, 1,209,188.40 and 473,815.40

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Solution

The fourth proportional to 876,223.40, 1,209,188.40 and 473,815.40 is: 653,865.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,223.40 : 1,209,188.40 = 473,815.40 : x
  2. Step 2: Convert to fraction form
    876,223.40/1,209,188.40 = 473,815.40/x
  3. Step 3: Cross multiply
    876,223.40x = 1,209,188.40 × 473,815.40
  4. Step 4: Simplify right side
    876,223.40x = 572,932,085,421.36
  5. Step 5: Solve for x
    x = 572,932,085,421.36/876,223.40
  6. Step 6: Final answer
    x = 653,865.31

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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.