Home / 987,223.70-1,480,835.54-239,269.70

Finding the Fourth Proportional to 987,223.70, 1,480,835.54 and 239,269.70

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Solution

The fourth proportional to 987,223.70, 1,480,835.54 and 239,269.70 is: 358,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,223.70 : 1,480,835.54 = 239,269.70 : x
  2. Step 2: Convert to fraction form
    987,223.70/1,480,835.54 = 239,269.70/x
  3. Step 3: Cross multiply
    987,223.70x = 1,480,835.54 × 239,269.70
  4. Step 4: Simplify right side
    987,223.70x = 354,319,068,599.14
  5. Step 5: Solve for x
    x = 354,319,068,599.14/987,223.70
  6. Step 6: Final answer
    x = 358,904.54

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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.