Home / 849,302.54-1,172,069.84-486,796.35

Finding the Fourth Proportional to 849,302.54, 1,172,069.84 and 486,796.35

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Solution

The fourth proportional to 849,302.54, 1,172,069.84 and 486,796.35 is: 671,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,302.54 : 1,172,069.84 = 486,796.35 : x
  2. Step 2: Convert to fraction form
    849,302.54/1,172,069.84 = 486,796.35/x
  3. Step 3: Cross multiply
    849,302.54x = 1,172,069.84 × 486,796.35
  4. Step 4: Simplify right side
    849,302.54x = 570,559,317,623.10
  5. Step 5: Solve for x
    x = 570,559,317,623.10/849,302.54
  6. Step 6: Final answer
    x = 671,797.50

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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.