Home / 743,808.88-1,026,384.55-417,135.29

Finding the Fourth Proportional to 743,808.88, 1,026,384.55 and 417,135.29

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Solution

The fourth proportional to 743,808.88, 1,026,384.55 and 417,135.29 is: 575,606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,808.88 : 1,026,384.55 = 417,135.29 : x
  2. Step 2: Convert to fraction form
    743,808.88/1,026,384.55 = 417,135.29/x
  3. Step 3: Cross multiply
    743,808.88x = 1,026,384.55 × 417,135.29
  4. Step 4: Simplify right side
    743,808.88x = 428,141,210,741.01
  5. Step 5: Solve for x
    x = 428,141,210,741.01/743,808.88
  6. Step 6: Final answer
    x = 575,606.48

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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.