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Finding the Fourth Proportional to 524,925.53, 724,207.77 and 343,740.78

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Solution

The fourth proportional to 524,925.53, 724,207.77 and 343,740.78 is: 474,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,925.53 : 724,207.77 = 343,740.78 : x
  2. Step 2: Convert to fraction form
    524,925.53/724,207.77 = 343,740.78/x
  3. Step 3: Cross multiply
    524,925.53x = 724,207.77 × 343,740.78
  4. Step 4: Simplify right side
    524,925.53x = 248,939,743,741.86
  5. Step 5: Solve for x
    x = 248,939,743,741.86/524,925.53
  6. Step 6: Final answer
    x = 474,238.21

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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.