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Finding the Fourth Proportional to 662,697.45, 914,526.86 and 376,222.32

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Solution

The fourth proportional to 662,697.45, 914,526.86 and 376,222.32 is: 519,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,697.45 : 914,526.86 = 376,222.32 : x
  2. Step 2: Convert to fraction form
    662,697.45/914,526.86 = 376,222.32/x
  3. Step 3: Cross multiply
    662,697.45x = 914,526.86 × 376,222.32
  4. Step 4: Simplify right side
    662,697.45x = 344,065,415,090.40
  5. Step 5: Solve for x
    x = 344,065,415,090.40/662,697.45
  6. Step 6: Final answer
    x = 519,189.28

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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.