Home / 759,136.04-1,047,628.90-419,626.12

Finding the Fourth Proportional to 759,136.04, 1,047,628.90 and 419,626.12

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Solution

The fourth proportional to 759,136.04, 1,047,628.90 and 419,626.12 is: 579,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,136.04 : 1,047,628.90 = 419,626.12 : x
  2. Step 2: Convert to fraction form
    759,136.04/1,047,628.90 = 419,626.12/x
  3. Step 3: Cross multiply
    759,136.04x = 1,047,628.90 × 419,626.12
  4. Step 4: Simplify right side
    759,136.04x = 439,612,450,506.87
  5. Step 5: Solve for x
    x = 439,612,450,506.87/759,136.04
  6. Step 6: Final answer
    x = 579,095.74

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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.