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Finding the Fourth Proportional to 899,000.90, 1,349,266.80 and 366,903.80

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Solution

The fourth proportional to 899,000.90, 1,349,266.80 and 366,903.80 is: 550,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,000.90 : 1,349,266.80 = 366,903.80 : x
  2. Step 2: Convert to fraction form
    899,000.90/1,349,266.80 = 366,903.80/x
  3. Step 3: Cross multiply
    899,000.90x = 1,349,266.80 × 366,903.80
  4. Step 4: Simplify right side
    899,000.90x = 495,051,116,133.84
  5. Step 5: Solve for x
    x = 495,051,116,133.84/899,000.90
  6. Step 6: Final answer
    x = 550,668.10

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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.