Home / 785,740.18-1,084,329.03-446,210.86

Finding the Fourth Proportional to 785,740.18, 1,084,329.03 and 446,210.86

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Solution

The fourth proportional to 785,740.18, 1,084,329.03 and 446,210.86 is: 615,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,740.18 : 1,084,329.03 = 446,210.86 : x
  2. Step 2: Convert to fraction form
    785,740.18/1,084,329.03 = 446,210.86/x
  3. Step 3: Cross multiply
    785,740.18x = 1,084,329.03 × 446,210.86
  4. Step 4: Simplify right side
    785,740.18x = 483,839,388,999.27
  5. Step 5: Solve for x
    x = 483,839,388,999.27/785,740.18
  6. Step 6: Final answer
    x = 615,775.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.