Home / 993,829.77-1,490,901.49-425,214.55

Finding the Fourth Proportional to 993,829.77, 1,490,901.49 and 425,214.55

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Solution

The fourth proportional to 993,829.77, 1,490,901.49 and 425,214.55 is: 637,888.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,829.77 : 1,490,901.49 = 425,214.55 : x
  2. Step 2: Convert to fraction form
    993,829.77/1,490,901.49 = 425,214.55/x
  3. Step 3: Cross multiply
    993,829.77x = 1,490,901.49 × 425,214.55
  4. Step 4: Simplify right side
    993,829.77x = 633,953,012,752.99
  5. Step 5: Solve for x
    x = 633,953,012,752.99/993,829.77
  6. Step 6: Final answer
    x = 637,888.93

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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.