Home / 822,261.69-1,135,070.91-500,075.28

Finding the Fourth Proportional to 822,261.69, 1,135,070.91 and 500,075.28

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Solution

The fourth proportional to 822,261.69, 1,135,070.91 and 500,075.28 is: 690,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,261.69 : 1,135,070.91 = 500,075.28 : x
  2. Step 2: Convert to fraction form
    822,261.69/1,135,070.91 = 500,075.28/x
  3. Step 3: Cross multiply
    822,261.69x = 1,135,070.91 × 500,075.28
  4. Step 4: Simplify right side
    822,261.69x = 567,620,903,138.11
  5. Step 5: Solve for x
    x = 567,620,903,138.11/822,261.69
  6. Step 6: Final answer
    x = 690,316.61

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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.