Home / 875,200,500.79-1,207,780,305.05-473,314,240.80

Finding the Fourth Proportional to 875,200,500.79, 1,207,780,305.05 and 473,314,240.80

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Solution

The fourth proportional to 875,200,500.79, 1,207,780,305.05 and 473,314,240.80 is: 653,175,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,200,500.79 : 1,207,780,305.05 = 473,314,240.80 : x
  2. Step 2: Convert to fraction form
    875,200,500.79/1,207,780,305.05 = 473,314,240.80/x
  3. Step 3: Cross multiply
    875,200,500.79x = 1,207,780,305.05 × 473,314,240.80
  4. Step 4: Simplify right side
    875,200,500.79x = 571,659,618,137,933,120
  5. Step 5: Solve for x
    x = 571,659,618,137,933,120/875,200,500.79
  6. Step 6: Final answer
    x = 653,175,606.76

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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.