Home / 800,345.80-1,104,572.46-460,880.20

Finding the Fourth Proportional to 800,345.80, 1,104,572.46 and 460,880.20

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Solution

The fourth proportional to 800,345.80, 1,104,572.46 and 460,880.20 is: 636,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,345.80 : 1,104,572.46 = 460,880.20 : x
  2. Step 2: Convert to fraction form
    800,345.80/1,104,572.46 = 460,880.20/x
  3. Step 3: Cross multiply
    800,345.80x = 1,104,572.46 × 460,880.20
  4. Step 4: Simplify right side
    800,345.80x = 509,075,576,279.29
  5. Step 5: Solve for x
    x = 509,075,576,279.29/800,345.80
  6. Step 6: Final answer
    x = 636,069.53

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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.