Home / 743,112.48-1,025,498.16-403,586.40

Finding the Fourth Proportional to 743,112.48, 1,025,498.16 and 403,586.40

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Solution

The fourth proportional to 743,112.48, 1,025,498.16 and 403,586.40 is: 556,950.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,112.48 : 1,025,498.16 = 403,586.40 : x
  2. Step 2: Convert to fraction form
    743,112.48/1,025,498.16 = 403,586.40/x
  3. Step 3: Cross multiply
    743,112.48x = 1,025,498.16 × 403,586.40
  4. Step 4: Simplify right side
    743,112.48x = 413,877,110,601.02
  5. Step 5: Solve for x
    x = 413,877,110,601.02/743,112.48
  6. Step 6: Final answer
    x = 556,950.83

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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.