Home / 822,470.40-1,234,166.40-349,075.20

Finding the Fourth Proportional to 822,470.40, 1,234,166.40 and 349,075.20

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Solution

The fourth proportional to 822,470.40, 1,234,166.40 and 349,075.20 is: 523,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,470.40 : 1,234,166.40 = 349,075.20 : x
  2. Step 2: Convert to fraction form
    822,470.40/1,234,166.40 = 349,075.20/x
  3. Step 3: Cross multiply
    822,470.40x = 1,234,166.40 × 349,075.20
  4. Step 4: Simplify right side
    822,470.40x = 430,816,882,913.28
  5. Step 5: Solve for x
    x = 430,816,882,913.28/822,470.40
  6. Step 6: Final answer
    x = 523,808.37

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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.