Home / 787,056.69-1,086,038.51-447,532.23

Finding the Fourth Proportional to 787,056.69, 1,086,038.51 and 447,532.23

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Solution

The fourth proportional to 787,056.69, 1,086,038.51 and 447,532.23 is: 617,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,056.69 : 1,086,038.51 = 447,532.23 : x
  2. Step 2: Convert to fraction form
    787,056.69/1,086,038.51 = 447,532.23/x
  3. Step 3: Cross multiply
    787,056.69x = 1,086,038.51 × 447,532.23
  4. Step 4: Simplify right side
    787,056.69x = 486,037,234,008.52
  5. Step 5: Solve for x
    x = 486,037,234,008.52/787,056.69
  6. Step 6: Final answer
    x = 617,537.77

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Double scale
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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.