Home / 876,212.40-1,209,173.22-473,804.40

Finding the Fourth Proportional to 876,212.40, 1,209,173.22 and 473,804.40

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Solution

The fourth proportional to 876,212.40, 1,209,173.22 and 473,804.40 is: 653,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,212.40 : 1,209,173.22 = 473,804.40 : x
  2. Step 2: Convert to fraction form
    876,212.40/1,209,173.22 = 473,804.40/x
  3. Step 3: Cross multiply
    876,212.40x = 1,209,173.22 × 473,804.40
  4. Step 4: Simplify right side
    876,212.40x = 572,911,591,998.17
  5. Step 5: Solve for x
    x = 572,911,591,998.17/876,212.40
  6. Step 6: Final answer
    x = 653,850.13

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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.