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Finding the Fourth Proportional to 522,618.72, 783,674.36 and 306,536.28

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Solution

The fourth proportional to 522,618.72, 783,674.36 and 306,536.28 is: 459,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,618.72 : 783,674.36 = 306,536.28 : x
  2. Step 2: Convert to fraction form
    522,618.72/783,674.36 = 306,536.28/x
  3. Step 3: Cross multiply
    522,618.72x = 783,674.36 × 306,536.28
  4. Step 4: Simplify right side
    522,618.72x = 240,224,623,045.78
  5. Step 5: Solve for x
    x = 240,224,623,045.78/522,618.72
  6. Step 6: Final answer
    x = 459,655.60

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1.5x scale

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.