Home / 645,607.19-968,521.08-266,320.58

Finding the Fourth Proportional to 645,607.19, 968,521.08 and 266,320.58

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Solution

The fourth proportional to 645,607.19, 968,521.08 and 266,320.58 is: 399,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,607.19 : 968,521.08 = 266,320.58 : x
  2. Step 2: Convert to fraction form
    645,607.19/968,521.08 = 266,320.58/x
  3. Step 3: Cross multiply
    645,607.19x = 968,521.08 × 266,320.58
  4. Step 4: Simplify right side
    645,607.19x = 257,937,095,767.83
  5. Step 5: Solve for x
    x = 257,937,095,767.83/645,607.19
  6. Step 6: Final answer
    x = 399,526.37

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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.