Home / 987,283.69-1,480,925.53-239,329.69

Finding the Fourth Proportional to 987,283.69, 1,480,925.53 and 239,329.69

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Solution

The fourth proportional to 987,283.69, 1,480,925.53 and 239,329.69 is: 358,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,283.69 : 1,480,925.53 = 239,329.69 : x
  2. Step 2: Convert to fraction form
    987,283.69/1,480,925.53 = 239,329.69/x
  3. Step 3: Cross multiply
    987,283.69x = 1,480,925.53 × 239,329.69
  4. Step 4: Simplify right side
    987,283.69x = 354,429,444,604.83
  5. Step 5: Solve for x
    x = 354,429,444,604.83/987,283.69
  6. Step 6: Final answer
    x = 358,994.53

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Double scale
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Similar ratio
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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.