Home / 725,058.19-1,000,579.80-402,798.34

Finding the Fourth Proportional to 725,058.19, 1,000,579.80 and 402,798.34

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Solution

The fourth proportional to 725,058.19, 1,000,579.80 and 402,798.34 is: 555,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,058.19 : 1,000,579.80 = 402,798.34 : x
  2. Step 2: Convert to fraction form
    725,058.19/1,000,579.80 = 402,798.34/x
  3. Step 3: Cross multiply
    725,058.19x = 1,000,579.80 × 402,798.34
  4. Step 4: Simplify right side
    725,058.19x = 403,031,882,477.53
  5. Step 5: Solve for x
    x = 403,031,882,477.53/725,058.19
  6. Step 6: Final answer
    x = 555,861.43

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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.