Home / 822,066.95-1,233,072.63-289,574.07

Finding the Fourth Proportional to 822,066.95, 1,233,072.63 and 289,574.07

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Solution

The fourth proportional to 822,066.95, 1,233,072.63 and 289,574.07 is: 434,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,066.95 : 1,233,072.63 = 289,574.07 : x
  2. Step 2: Convert to fraction form
    822,066.95/1,233,072.63 = 289,574.07/x
  3. Step 3: Cross multiply
    822,066.95x = 1,233,072.63 × 289,574.07
  4. Step 4: Simplify right side
    822,066.95x = 357,065,860,074.70
  5. Step 5: Solve for x
    x = 357,065,860,074.70/822,066.95
  6. Step 6: Final answer
    x = 434,351.32

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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.