Home / 993,865.20-1,490,810.76-283,916.40

Finding the Fourth Proportional to 993,865.20, 1,490,810.76 and 283,916.40

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Solution

The fourth proportional to 993,865.20, 1,490,810.76 and 283,916.40 is: 425,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,865.20 : 1,490,810.76 = 283,916.40 : x
  2. Step 2: Convert to fraction form
    993,865.20/1,490,810.76 = 283,916.40/x
  3. Step 3: Cross multiply
    993,865.20x = 1,490,810.76 × 283,916.40
  4. Step 4: Simplify right side
    993,865.20x = 423,265,624,060.46
  5. Step 5: Solve for x
    x = 423,265,624,060.46/993,865.20
  6. Step 6: Final answer
    x = 425,878.30

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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.