Home / 875,399.45-1,208,051.24-472,991.45

Finding the Fourth Proportional to 875,399.45, 1,208,051.24 and 472,991.45

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Solution

The fourth proportional to 875,399.45, 1,208,051.24 and 472,991.45 is: 652,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,399.45 : 1,208,051.24 = 472,991.45 : x
  2. Step 2: Convert to fraction form
    875,399.45/1,208,051.24 = 472,991.45/x
  3. Step 3: Cross multiply
    875,399.45x = 1,208,051.24 × 472,991.45
  4. Step 4: Simplify right side
    875,399.45x = 571,397,899,276.69
  5. Step 5: Solve for x
    x = 571,397,899,276.69/875,399.45
  6. Step 6: Final answer
    x = 652,728.19

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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.