Home / 985,890.30-1,478,835.45-653,466.30

Finding the Fourth Proportional to 985,890.30, 1,478,835.45 and 653,466.30

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Solution

The fourth proportional to 985,890.30, 1,478,835.45 and 653,466.30 is: 980,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,890.30 : 1,478,835.45 = 653,466.30 : x
  2. Step 2: Convert to fraction form
    985,890.30/1,478,835.45 = 653,466.30/x
  3. Step 3: Cross multiply
    985,890.30x = 1,478,835.45 × 653,466.30
  4. Step 4: Simplify right side
    985,890.30x = 966,369,129,820.34
  5. Step 5: Solve for x
    x = 966,369,129,820.34/985,890.30
  6. Step 6: Final answer
    x = 980,199.45

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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.