Home / 997,000.70-1,494,480.45-490,783.10

Finding the Fourth Proportional to 997,000.70, 1,494,480.45 and 490,783.10

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Solution

The fourth proportional to 997,000.70, 1,494,480.45 and 490,783.10 is: 735,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,000.70 : 1,494,480.45 = 490,783.10 : x
  2. Step 2: Convert to fraction form
    997,000.70/1,494,480.45 = 490,783.10/x
  3. Step 3: Cross multiply
    997,000.70x = 1,494,480.45 × 490,783.10
  4. Step 4: Simplify right side
    997,000.70x = 733,465,748,140.40
  5. Step 5: Solve for x
    x = 733,465,748,140.40/997,000.70
  6. Step 6: Final answer
    x = 735,672.25

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1.5x scale

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.