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Finding the Fourth Proportional to 517,405.24, 776,608.39 and 373,459.47

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Solution

The fourth proportional to 517,405.24, 776,608.39 and 373,459.47 is: 560,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,405.24 : 776,608.39 = 373,459.47 : x
  2. Step 2: Convert to fraction form
    517,405.24/776,608.39 = 373,459.47/x
  3. Step 3: Cross multiply
    517,405.24x = 776,608.39 × 373,459.47
  4. Step 4: Simplify right side
    517,405.24x = 290,031,755,281.50
  5. Step 5: Solve for x
    x = 290,031,755,281.50/517,405.24
  6. Step 6: Final answer
    x = 560,550.48

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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.