Home / 947,969.98-1,421,665.80-498,446.98

Finding the Fourth Proportional to 947,969.98, 1,421,665.80 and 498,446.98

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Solution

The fourth proportional to 947,969.98, 1,421,665.80 and 498,446.98 is: 747,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,969.98 : 1,421,665.80 = 498,446.98 : x
  2. Step 2: Convert to fraction form
    947,969.98/1,421,665.80 = 498,446.98/x
  3. Step 3: Cross multiply
    947,969.98x = 1,421,665.80 × 498,446.98
  4. Step 4: Simplify right side
    947,969.98x = 708,625,024,579.28
  5. Step 5: Solve for x
    x = 708,625,024,579.28/947,969.98
  6. Step 6: Final answer
    x = 747,518.42

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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.