Home / 993,829.80-1,490,744.70-328,895.40

Finding the Fourth Proportional to 993,829.80, 1,490,744.70 and 328,895.40

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Solution

The fourth proportional to 993,829.80, 1,490,744.70 and 328,895.40 is: 493,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,829.80 : 1,490,744.70 = 328,895.40 : x
  2. Step 2: Convert to fraction form
    993,829.80/1,490,744.70 = 328,895.40/x
  3. Step 3: Cross multiply
    993,829.80x = 1,490,744.70 × 328,895.40
  4. Step 4: Simplify right side
    993,829.80x = 490,299,074,404.38
  5. Step 5: Solve for x
    x = 490,299,074,404.38/993,829.80
  6. Step 6: Final answer
    x = 493,343.10

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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.