Home / 912,005.70-1,368,008.55-607,575.30

Finding the Fourth Proportional to 912,005.70, 1,368,008.55 and 607,575.30

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Solution

The fourth proportional to 912,005.70, 1,368,008.55 and 607,575.30 is: 911,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,005.70 : 1,368,008.55 = 607,575.30 : x
  2. Step 2: Convert to fraction form
    912,005.70/1,368,008.55 = 607,575.30/x
  3. Step 3: Cross multiply
    912,005.70x = 1,368,008.55 × 607,575.30
  4. Step 4: Simplify right side
    912,005.70x = 831,168,205,168.82
  5. Step 5: Solve for x
    x = 831,168,205,168.82/912,005.70
  6. Step 6: Final answer
    x = 911,362.95

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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.