Home / 759,504.84-1,138,586.76-286,522.35

Finding the Fourth Proportional to 759,504.84, 1,138,586.76 and 286,522.35

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Solution

The fourth proportional to 759,504.84, 1,138,586.76 and 286,522.35 is: 429,530.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,504.84 : 1,138,586.76 = 286,522.35 : x
  2. Step 2: Convert to fraction form
    759,504.84/1,138,586.76 = 286,522.35/x
  3. Step 3: Cross multiply
    759,504.84x = 1,138,586.76 × 286,522.35
  4. Step 4: Simplify right side
    759,504.84x = 326,230,554,154.09
  5. Step 5: Solve for x
    x = 326,230,554,154.09/759,504.84
  6. Step 6: Final answer
    x = 429,530.58

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Double scale
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Similar ratio
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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.