Home / 784,075.23-1,175,972.31-207,702.32

Finding the Fourth Proportional to 784,075.23, 1,175,972.31 and 207,702.32

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Solution

The fourth proportional to 784,075.23, 1,175,972.31 and 207,702.32 is: 311,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,075.23 : 1,175,972.31 = 207,702.32 : x
  2. Step 2: Convert to fraction form
    784,075.23/1,175,972.31 = 207,702.32/x
  3. Step 3: Cross multiply
    784,075.23x = 1,175,972.31 × 207,702.32
  4. Step 4: Simplify right side
    784,075.23x = 244,252,171,162.90
  5. Step 5: Solve for x
    x = 244,252,171,162.90/784,075.23
  6. Step 6: Final answer
    x = 311,516.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.