Home / 747,426.57-1,031,448.37-407,894.82

Finding the Fourth Proportional to 747,426.57, 1,031,448.37 and 407,894.82

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Solution

The fourth proportional to 747,426.57, 1,031,448.37 and 407,894.82 is: 562,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,426.57 : 1,031,448.37 = 407,894.82 : x
  2. Step 2: Convert to fraction form
    747,426.57/1,031,448.37 = 407,894.82/x
  3. Step 3: Cross multiply
    747,426.57x = 1,031,448.37 × 407,894.82
  4. Step 4: Simplify right side
    747,426.57x = 420,722,446,200.71
  5. Step 5: Solve for x
    x = 420,722,446,200.71/747,426.57
  6. Step 6: Final answer
    x = 562,894.69

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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.