Home / 880,693.02-1,320,840.81-407,119.50

Finding the Fourth Proportional to 880,693.02, 1,320,840.81 and 407,119.50

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Solution

The fourth proportional to 880,693.02, 1,320,840.81 and 407,119.50 is: 610,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,693.02 : 1,320,840.81 = 407,119.50 : x
  2. Step 2: Convert to fraction form
    880,693.02/1,320,840.81 = 407,119.50/x
  3. Step 3: Cross multiply
    880,693.02x = 1,320,840.81 × 407,119.50
  4. Step 4: Simplify right side
    880,693.02x = 537,740,050,146.80
  5. Step 5: Solve for x
    x = 537,740,050,146.80/880,693.02
  6. Step 6: Final answer
    x = 610,587.39

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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.