Home / 743,484.52-1,026,012.90-403,955.56

Finding the Fourth Proportional to 743,484.52, 1,026,012.90 and 403,955.56

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Solution

The fourth proportional to 743,484.52, 1,026,012.90 and 403,955.56 is: 557,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,484.52 : 1,026,012.90 = 403,955.56 : x
  2. Step 2: Convert to fraction form
    743,484.52/1,026,012.90 = 403,955.56/x
  3. Step 3: Cross multiply
    743,484.52x = 1,026,012.90 × 403,955.56
  4. Step 4: Simplify right side
    743,484.52x = 414,463,615,586.72
  5. Step 5: Solve for x
    x = 414,463,615,586.72/743,484.52
  6. Step 6: Final answer
    x = 557,460.99

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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.