Home / 849,034.62-1,171,835.10-486,701.58

Finding the Fourth Proportional to 849,034.62, 1,171,835.10 and 486,701.58

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Solution

The fourth proportional to 849,034.62, 1,171,835.10 and 486,701.58 is: 671,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,034.62 : 1,171,835.10 = 486,701.58 : x
  2. Step 2: Convert to fraction form
    849,034.62/1,171,835.10 = 486,701.58/x
  3. Step 3: Cross multiply
    849,034.62x = 1,171,835.10 × 486,701.58
  4. Step 4: Simplify right side
    849,034.62x = 570,333,994,669.46
  5. Step 5: Solve for x
    x = 570,333,994,669.46/849,034.62
  6. Step 6: Final answer
    x = 671,744.10

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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.