Home / 918,284.80-1,377,427.20-665,030.20

Finding the Fourth Proportional to 918,284.80, 1,377,427.20 and 665,030.20

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Solution

The fourth proportional to 918,284.80, 1,377,427.20 and 665,030.20 is: 997,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,284.80 : 1,377,427.20 = 665,030.20 : x
  2. Step 2: Convert to fraction form
    918,284.80/1,377,427.20 = 665,030.20/x
  3. Step 3: Cross multiply
    918,284.80x = 1,377,427.20 × 665,030.20
  4. Step 4: Simplify right side
    918,284.80x = 916,030,686,301.44
  5. Step 5: Solve for x
    x = 916,030,686,301.44/918,284.80
  6. Step 6: Final answer
    x = 997,545.30

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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.