Home / 939,031.92-1,408,659.66-299,111.00

Finding the Fourth Proportional to 939,031.92, 1,408,659.66 and 299,111.00

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Solution

The fourth proportional to 939,031.92, 1,408,659.66 and 299,111.00 is: 448,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,031.92 : 1,408,659.66 = 299,111.00 : x
  2. Step 2: Convert to fraction form
    939,031.92/1,408,659.66 = 299,111.00/x
  3. Step 3: Cross multiply
    939,031.92x = 1,408,659.66 × 299,111.00
  4. Step 4: Simplify right side
    939,031.92x = 421,345,592,518.96
  5. Step 5: Solve for x
    x = 421,345,592,518.96/939,031.92
  6. Step 6: Final answer
    x = 448,702.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.