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Finding the Fourth Proportional to 510,052.08, 703,870 and 283,697.60

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Solution

The fourth proportional to 510,052.08, 703,870 and 283,697.60 is: 391,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,052.08 : 703,870 = 283,697.60 : x
  2. Step 2: Convert to fraction form
    510,052.08/703,870 = 283,697.60/x
  3. Step 3: Cross multiply
    510,052.08x = 703,870 × 283,697.60
  4. Step 4: Simplify right side
    510,052.08x = 199,686,229,712.00
  5. Step 5: Solve for x
    x = 199,686,229,712.00/510,052.08
  6. Step 6: Final answer
    x = 391,501.65

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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.