Home / 528,690.28-793,118.04-173,623.36

Finding the Fourth Proportional to 528,690.28, 793,118.04 and 173,623.36

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Solution

The fourth proportional to 528,690.28, 793,118.04 and 173,623.36 is: 260,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,690.28 : 793,118.04 = 173,623.36 : x
  2. Step 2: Convert to fraction form
    528,690.28/793,118.04 = 173,623.36/x
  3. Step 3: Cross multiply
    528,690.28x = 793,118.04 × 173,623.36
  4. Step 4: Simplify right side
    528,690.28x = 137,703,818,981.41
  5. Step 5: Solve for x
    x = 137,703,818,981.41/528,690.28
  6. Step 6: Final answer
    x = 260,462.17

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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.