Home / 818,435.84-1,129,498.16-496,159.52

Finding the Fourth Proportional to 818,435.84, 1,129,498.16 and 496,159.52

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Solution

The fourth proportional to 818,435.84, 1,129,498.16 and 496,159.52 is: 684,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,435.84 : 1,129,498.16 = 496,159.52 : x
  2. Step 2: Convert to fraction form
    818,435.84/1,129,498.16 = 496,159.52/x
  3. Step 3: Cross multiply
    818,435.84x = 1,129,498.16 × 496,159.52
  4. Step 4: Simplify right side
    818,435.84x = 560,411,264,906.48
  5. Step 5: Solve for x
    x = 560,411,264,906.48/818,435.84
  6. Step 6: Final answer
    x = 684,734.51

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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.