Home / 746,005.40-1,119,008.10-644,528.60

Finding the Fourth Proportional to 746,005.40, 1,119,008.10 and 644,528.60

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Solution

The fourth proportional to 746,005.40, 1,119,008.10 and 644,528.60 is: 966,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,005.40 : 1,119,008.10 = 644,528.60 : x
  2. Step 2: Convert to fraction form
    746,005.40/1,119,008.10 = 644,528.60/x
  3. Step 3: Cross multiply
    746,005.40x = 1,119,008.10 × 644,528.60
  4. Step 4: Simplify right side
    746,005.40x = 721,232,724,081.66
  5. Step 5: Solve for x
    x = 721,232,724,081.66/746,005.40
  6. Step 6: Final answer
    x = 966,792.90

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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.