Home / 889,594.46-1,227,728.28-507,678.65

Finding the Fourth Proportional to 889,594.46, 1,227,728.28 and 507,678.65

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Solution

The fourth proportional to 889,594.46, 1,227,728.28 and 507,678.65 is: 700,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,594.46 : 1,227,728.28 = 507,678.65 : x
  2. Step 2: Convert to fraction form
    889,594.46/1,227,728.28 = 507,678.65/x
  3. Step 3: Cross multiply
    889,594.46x = 1,227,728.28 × 507,678.65
  4. Step 4: Simplify right side
    889,594.46x = 623,291,435,757.22
  5. Step 5: Solve for x
    x = 623,291,435,757.22/889,594.46
  6. Step 6: Final answer
    x = 700,646.71

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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.