Home / 818,412.54-1,129,466.07-496,136.22

Finding the Fourth Proportional to 818,412.54, 1,129,466.07 and 496,136.22

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Solution

The fourth proportional to 818,412.54, 1,129,466.07 and 496,136.22 is: 684,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,412.54 : 1,129,466.07 = 496,136.22 : x
  2. Step 2: Convert to fraction form
    818,412.54/1,129,466.07 = 496,136.22/x
  3. Step 3: Cross multiply
    818,412.54x = 1,129,466.07 × 496,136.22
  4. Step 4: Simplify right side
    818,412.54x = 560,369,026,588.06
  5. Step 5: Solve for x
    x = 560,369,026,588.06/818,412.54
  6. Step 6: Final answer
    x = 684,702.40

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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.