Home / 687,675.93-1,031,526.59-238,411.41

Finding the Fourth Proportional to 687,675.93, 1,031,526.59 and 238,411.41

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Solution

The fourth proportional to 687,675.93, 1,031,526.59 and 238,411.41 is: 357,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,675.93 : 1,031,526.59 = 238,411.41 : x
  2. Step 2: Convert to fraction form
    687,675.93/1,031,526.59 = 238,411.41/x
  3. Step 3: Cross multiply
    687,675.93x = 1,031,526.59 × 238,411.41
  4. Step 4: Simplify right side
    687,675.93x = 245,927,707,582.34
  5. Step 5: Solve for x
    x = 245,927,707,582.34/687,675.93
  6. Step 6: Final answer
    x = 357,621.51

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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.