Home / 993,779.47-1,490,638.83-283,808.80

Finding the Fourth Proportional to 993,779.47, 1,490,638.83 and 283,808.80

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Solution

The fourth proportional to 993,779.47, 1,490,638.83 and 283,808.80 is: 425,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,779.47 : 1,490,638.83 = 283,808.80 : x
  2. Step 2: Convert to fraction form
    993,779.47/1,490,638.83 = 283,808.80/x
  3. Step 3: Cross multiply
    993,779.47x = 1,490,638.83 × 283,808.80
  4. Step 4: Simplify right side
    993,779.47x = 423,056,417,575.70
  5. Step 5: Solve for x
    x = 423,056,417,575.70/993,779.47
  6. Step 6: Final answer
    x = 425,704.53

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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.