Home / 724,898.97-1,000,439.96-414,830.25

Finding the Fourth Proportional to 724,898.97, 1,000,439.96 and 414,830.25

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Solution

The fourth proportional to 724,898.97, 1,000,439.96 and 414,830.25 is: 572,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,898.97 : 1,000,439.96 = 414,830.25 : x
  2. Step 2: Convert to fraction form
    724,898.97/1,000,439.96 = 414,830.25/x
  3. Step 3: Cross multiply
    724,898.97x = 1,000,439.96 × 414,830.25
  4. Step 4: Simplify right side
    724,898.97x = 415,012,756,642.64
  5. Step 5: Solve for x
    x = 415,012,756,642.64/724,898.97
  6. Step 6: Final answer
    x = 572,511.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.