Home / 987,225.70-1,480,838.54-239,271.70

Finding the Fourth Proportional to 987,225.70, 1,480,838.54 and 239,271.70

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Solution

The fourth proportional to 987,225.70, 1,480,838.54 and 239,271.70 is: 358,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,225.70 : 1,480,838.54 = 239,271.70 : x
  2. Step 2: Convert to fraction form
    987,225.70/1,480,838.54 = 239,271.70/x
  3. Step 3: Cross multiply
    987,225.70x = 1,480,838.54 × 239,271.70
  4. Step 4: Simplify right side
    987,225.70x = 354,322,754,891.32
  5. Step 5: Solve for x
    x = 354,322,754,891.32/987,225.70
  6. Step 6: Final answer
    x = 358,907.55

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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.