Home / 862,465.16-1,190,209.77-475,294.47

Finding the Fourth Proportional to 862,465.16, 1,190,209.77 and 475,294.47

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Solution

The fourth proportional to 862,465.16, 1,190,209.77 and 475,294.47 is: 655,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,465.16 : 1,190,209.77 = 475,294.47 : x
  2. Step 2: Convert to fraction form
    862,465.16/1,190,209.77 = 475,294.47/x
  3. Step 3: Cross multiply
    862,465.16x = 1,190,209.77 × 475,294.47
  4. Step 4: Simplify right side
    862,465.16x = 565,700,117,357.69
  5. Step 5: Solve for x
    x = 565,700,117,357.69/862,465.16
  6. Step 6: Final answer
    x = 655,910.69

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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.