Home / 607,029.40-911,094.90-307,718.20

Finding the Fourth Proportional to 607,029.40, 911,094.90 and 307,718.20

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Solution

The fourth proportional to 607,029.40, 911,094.90 and 307,718.20 is: 461,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,029.40 : 911,094.90 = 307,718.20 : x
  2. Step 2: Convert to fraction form
    607,029.40/911,094.90 = 307,718.20/x
  3. Step 3: Cross multiply
    607,029.40x = 911,094.90 × 307,718.20
  4. Step 4: Simplify right side
    607,029.40x = 280,360,482,657.18
  5. Step 5: Solve for x
    x = 280,360,482,657.18/607,029.40
  6. Step 6: Final answer
    x = 461,856.51

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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.