Home / 554,521.68-831,928.32-217,582.74

Finding the Fourth Proportional to 554,521.68, 831,928.32 and 217,582.74

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Solution

The fourth proportional to 554,521.68, 831,928.32 and 217,582.74 is: 326,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,521.68 : 831,928.32 = 217,582.74 : x
  2. Step 2: Convert to fraction form
    554,521.68/831,928.32 = 217,582.74/x
  3. Step 3: Cross multiply
    554,521.68x = 831,928.32 × 217,582.74
  4. Step 4: Simplify right side
    554,521.68x = 181,013,243,349.20
  5. Step 5: Solve for x
    x = 181,013,243,349.20/554,521.68
  6. Step 6: Final answer
    x = 326,431.32

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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.