Home / 783,582.80-1,175,374.20-740,984.40

Finding the Fourth Proportional to 783,582.80, 1,175,374.20 and 740,984.40

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Solution

The fourth proportional to 783,582.80, 1,175,374.20 and 740,984.40 is: 1,111,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,582.80 : 1,175,374.20 = 740,984.40 : x
  2. Step 2: Convert to fraction form
    783,582.80/1,175,374.20 = 740,984.40/x
  3. Step 3: Cross multiply
    783,582.80x = 1,175,374.20 × 740,984.40
  4. Step 4: Simplify right side
    783,582.80x = 870,933,946,362.48
  5. Step 5: Solve for x
    x = 870,933,946,362.48/783,582.80
  6. Step 6: Final answer
    x = 1,111,476.60

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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.