Home / 671,437.20-926,625.30-369,631.20

Finding the Fourth Proportional to 671,437.20, 926,625.30 and 369,631.20

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Solution

The fourth proportional to 671,437.20, 926,625.30 and 369,631.20 is: 510,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,437.20 : 926,625.30 = 369,631.20 : x
  2. Step 2: Convert to fraction form
    671,437.20/926,625.30 = 369,631.20/x
  3. Step 3: Cross multiply
    671,437.20x = 926,625.30 × 369,631.20
  4. Step 4: Simplify right side
    671,437.20x = 342,509,621,589.36
  5. Step 5: Solve for x
    x = 342,509,621,589.36/671,437.20
  6. Step 6: Final answer
    x = 510,114.16

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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.