Home / 772,194.84-1,157,012.10-546,436.68

Finding the Fourth Proportional to 772,194.84, 1,157,012.10 and 546,436.68

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Solution

The fourth proportional to 772,194.84, 1,157,012.10 and 546,436.68 is: 818,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,194.84 : 1,157,012.10 = 546,436.68 : x
  2. Step 2: Convert to fraction form
    772,194.84/1,157,012.10 = 546,436.68/x
  3. Step 3: Cross multiply
    772,194.84x = 1,157,012.10 × 546,436.68
  4. Step 4: Simplify right side
    772,194.84x = 632,233,850,643.83
  5. Step 5: Solve for x
    x = 632,233,850,643.83/772,194.84
  6. Step 6: Final answer
    x = 818,749.13

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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.