Home / 850,075.80-1,173,102.78-462,885.24

Finding the Fourth Proportional to 850,075.80, 1,173,102.78 and 462,885.24

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Solution

The fourth proportional to 850,075.80, 1,173,102.78 and 462,885.24 is: 638,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,075.80 : 1,173,102.78 = 462,885.24 : x
  2. Step 2: Convert to fraction form
    850,075.80/1,173,102.78 = 462,885.24/x
  3. Step 3: Cross multiply
    850,075.80x = 1,173,102.78 × 462,885.24
  4. Step 4: Simplify right side
    850,075.80x = 543,011,961,864.97
  5. Step 5: Solve for x
    x = 543,011,961,864.97/850,075.80
  6. Step 6: Final answer
    x = 638,780.64

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Double scale
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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.