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Finding the Fourth Proportional to 518,701.46, 777,674.01 and 349,802.18

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Solution

The fourth proportional to 518,701.46, 777,674.01 and 349,802.18 is: 524,448.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,701.46 : 777,674.01 = 349,802.18 : x
  2. Step 2: Convert to fraction form
    518,701.46/777,674.01 = 349,802.18/x
  3. Step 3: Cross multiply
    518,701.46x = 777,674.01 × 349,802.18
  4. Step 4: Simplify right side
    518,701.46x = 272,032,064,367.01
  5. Step 5: Solve for x
    x = 272,032,064,367.01/518,701.46
  6. Step 6: Final answer
    x = 524,448.24

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1.5x scale

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.