Home / 818,426.67-1,129,485.59-496,150.35

Finding the Fourth Proportional to 818,426.67, 1,129,485.59 and 496,150.35

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Solution

The fourth proportional to 818,426.67, 1,129,485.59 and 496,150.35 is: 684,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,426.67 : 1,129,485.59 = 496,150.35 : x
  2. Step 2: Convert to fraction form
    818,426.67/1,129,485.59 = 496,150.35/x
  3. Step 3: Cross multiply
    818,426.67x = 1,129,485.59 × 496,150.35
  4. Step 4: Simplify right side
    818,426.67x = 560,394,670,798.46
  5. Step 5: Solve for x
    x = 560,394,670,798.46/818,426.67
  6. Step 6: Final answer
    x = 684,721.91

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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.