Home / 926,734.20-1,388,351.70-475,920.60

Finding the Fourth Proportional to 926,734.20, 1,388,351.70 and 475,920.60

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Solution

The fourth proportional to 926,734.20, 1,388,351.70 and 475,920.60 is: 712,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,734.20 : 1,388,351.70 = 475,920.60 : x
  2. Step 2: Convert to fraction form
    926,734.20/1,388,351.70 = 475,920.60/x
  3. Step 3: Cross multiply
    926,734.20x = 1,388,351.70 × 475,920.60
  4. Step 4: Simplify right side
    926,734.20x = 660,745,174,075.02
  5. Step 5: Solve for x
    x = 660,745,174,075.02/926,734.20
  6. Step 6: Final answer
    x = 712,982.40

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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.