Home / 771,165.06-1,064,056.54-484,519.06

Finding the Fourth Proportional to 771,165.06, 1,064,056.54 and 484,519.06

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Solution

The fourth proportional to 771,165.06, 1,064,056.54 and 484,519.06 is: 668,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,165.06 : 1,064,056.54 = 484,519.06 : x
  2. Step 2: Convert to fraction form
    771,165.06/1,064,056.54 = 484,519.06/x
  3. Step 3: Cross multiply
    771,165.06x = 1,064,056.54 × 484,519.06
  4. Step 4: Simplify right side
    771,165.06x = 515,555,674,547.65
  5. Step 5: Solve for x
    x = 515,555,674,547.65/771,165.06
  6. Step 6: Final answer
    x = 668,541.28

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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.