Home / 875,401.21-1,208,053.65-472,993.21

Finding the Fourth Proportional to 875,401.21, 1,208,053.65 and 472,993.21

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Solution

The fourth proportional to 875,401.21, 1,208,053.65 and 472,993.21 is: 652,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,401.21 : 1,208,053.65 = 472,993.21 : x
  2. Step 2: Convert to fraction form
    875,401.21/1,208,053.65 = 472,993.21/x
  3. Step 3: Cross multiply
    875,401.21x = 1,208,053.65 × 472,993.21
  4. Step 4: Simplify right side
    875,401.21x = 571,401,173,765.72
  5. Step 5: Solve for x
    x = 571,401,173,765.72/875,401.21
  6. Step 6: Final answer
    x = 652,730.62

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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.