Home / 771,864.06-1,065,172.39-470,058.06

Finding the Fourth Proportional to 771,864.06, 1,065,172.39 and 470,058.06

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Solution

The fourth proportional to 771,864.06, 1,065,172.39 and 470,058.06 is: 648,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,864.06 : 1,065,172.39 = 470,058.06 : x
  2. Step 2: Convert to fraction form
    771,864.06/1,065,172.39 = 470,058.06/x
  3. Step 3: Cross multiply
    771,864.06x = 1,065,172.39 × 470,058.06
  4. Step 4: Simplify right side
    771,864.06x = 500,692,867,208.96
  5. Step 5: Solve for x
    x = 500,692,867,208.96/771,864.06
  6. Step 6: Final answer
    x = 648,680.12

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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.