Home / 939,032.16-1,408,659.96-299,111.14

Finding the Fourth Proportional to 939,032.16, 1,408,659.96 and 299,111.14

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Solution

The fourth proportional to 939,032.16, 1,408,659.96 and 299,111.14 is: 448,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,032.16 : 1,408,659.96 = 299,111.14 : x
  2. Step 2: Convert to fraction form
    939,032.16/1,408,659.96 = 299,111.14/x
  3. Step 3: Cross multiply
    939,032.16x = 1,408,659.96 × 299,111.14
  4. Step 4: Simplify right side
    939,032.16x = 421,345,886,507.95
  5. Step 5: Solve for x
    x = 421,345,886,507.95/939,032.16
  6. Step 6: Final answer
    x = 448,702.30

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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.