Home / 889,596.45-1,227,731.04-507,680.64

Finding the Fourth Proportional to 889,596.45, 1,227,731.04 and 507,680.64

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Solution

The fourth proportional to 889,596.45, 1,227,731.04 and 507,680.64 is: 700,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,596.45 : 1,227,731.04 = 507,680.64 : x
  2. Step 2: Convert to fraction form
    889,596.45/1,227,731.04 = 507,680.64/x
  3. Step 3: Cross multiply
    889,596.45x = 1,227,731.04 × 507,680.64
  4. Step 4: Simplify right side
    889,596.45x = 623,295,280,135.07
  5. Step 5: Solve for x
    x = 623,295,280,135.07/889,596.45
  6. Step 6: Final answer
    x = 700,649.47

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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.