Home / 535,420.23-802,871.98-310,837.20

Finding the Fourth Proportional to 535,420.23, 802,871.98 and 310,837.20

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Solution

The fourth proportional to 535,420.23, 802,871.98 and 310,837.20 is: 466,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,420.23 : 802,871.98 = 310,837.20 : x
  2. Step 2: Convert to fraction form
    535,420.23/802,871.98 = 310,837.20/x
  3. Step 3: Cross multiply
    535,420.23x = 802,871.98 × 310,837.20
  4. Step 4: Simplify right side
    535,420.23x = 249,562,478,221.66
  5. Step 5: Solve for x
    x = 249,562,478,221.66/535,420.23
  6. Step 6: Final answer
    x = 466,105.81

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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.