Home / 779,277.40-1,168,916.10-446,579.80

Finding the Fourth Proportional to 779,277.40, 1,168,916.10 and 446,579.80

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Solution

The fourth proportional to 779,277.40, 1,168,916.10 and 446,579.80 is: 669,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,277.40 : 1,168,916.10 = 446,579.80 : x
  2. Step 2: Convert to fraction form
    779,277.40/1,168,916.10 = 446,579.80/x
  3. Step 3: Cross multiply
    779,277.40x = 1,168,916.10 × 446,579.80
  4. Step 4: Simplify right side
    779,277.40x = 522,014,318,154.78
  5. Step 5: Solve for x
    x = 522,014,318,154.78/779,277.40
  6. Step 6: Final answer
    x = 669,869.70

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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.