Home / 763,119.30-1,053,051.93-423,560.82

Finding the Fourth Proportional to 763,119.30, 1,053,051.93 and 423,560.82

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Solution

The fourth proportional to 763,119.30, 1,053,051.93 and 423,560.82 is: 584,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,119.30 : 1,053,051.93 = 423,560.82 : x
  2. Step 2: Convert to fraction form
    763,119.30/1,053,051.93 = 423,560.82/x
  3. Step 3: Cross multiply
    763,119.30x = 1,053,051.93 × 423,560.82
  4. Step 4: Simplify right side
    763,119.30x = 446,031,538,973.38
  5. Step 5: Solve for x
    x = 446,031,538,973.38/763,119.30
  6. Step 6: Final answer
    x = 584,484.68

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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.