Home / 980,877.80-1,471,316.70-507,708.20

Finding the Fourth Proportional to 980,877.80, 1,471,316.70 and 507,708.20

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Solution

The fourth proportional to 980,877.80, 1,471,316.70 and 507,708.20 is: 761,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,877.80 : 1,471,316.70 = 507,708.20 : x
  2. Step 2: Convert to fraction form
    980,877.80/1,471,316.70 = 507,708.20/x
  3. Step 3: Cross multiply
    980,877.80x = 1,471,316.70 × 507,708.20
  4. Step 4: Simplify right side
    980,877.80x = 746,999,553,386.94
  5. Step 5: Solve for x
    x = 746,999,553,386.94/980,877.80
  6. Step 6: Final answer
    x = 761,562.30

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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.