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Finding the Fourth Proportional to 510,392.76, 704,342.40 and 295,544.30

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Solution

The fourth proportional to 510,392.76, 704,342.40 and 295,544.30 is: 407,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,392.76 : 704,342.40 = 295,544.30 : x
  2. Step 2: Convert to fraction form
    510,392.76/704,342.40 = 295,544.30/x
  3. Step 3: Cross multiply
    510,392.76x = 704,342.40 × 295,544.30
  4. Step 4: Simplify right side
    510,392.76x = 208,164,381,568.32
  5. Step 5: Solve for x
    x = 208,164,381,568.32/510,392.76
  6. Step 6: Final answer
    x = 407,851.36

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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.