Home / 939,282.65-1,407,802.96-512,925.80

Finding the Fourth Proportional to 939,282.65, 1,407,802.96 and 512,925.80

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Solution

The fourth proportional to 939,282.65, 1,407,802.96 and 512,925.80 is: 768,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,282.65 : 1,407,802.96 = 512,925.80 : x
  2. Step 2: Convert to fraction form
    939,282.65/1,407,802.96 = 512,925.80/x
  3. Step 3: Cross multiply
    939,282.65x = 1,407,802.96 × 512,925.80
  4. Step 4: Simplify right side
    939,282.65x = 722,098,466,423.45
  5. Step 5: Solve for x
    x = 722,098,466,423.45/939,282.65
  6. Step 6: Final answer
    x = 768,776.54

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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.