Home / 693,212.50-1,039,818.75-249,980.50

Finding the Fourth Proportional to 693,212.50, 1,039,818.75 and 249,980.50

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Solution

The fourth proportional to 693,212.50, 1,039,818.75 and 249,980.50 is: 374,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,212.50 : 1,039,818.75 = 249,980.50 : x
  2. Step 2: Convert to fraction form
    693,212.50/1,039,818.75 = 249,980.50/x
  3. Step 3: Cross multiply
    693,212.50x = 1,039,818.75 × 249,980.50
  4. Step 4: Simplify right side
    693,212.50x = 259,934,411,034.38
  5. Step 5: Solve for x
    x = 259,934,411,034.38/693,212.50
  6. Step 6: Final answer
    x = 374,970.75

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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.