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Finding the Fourth Proportional to 603,588.40, 904,000.20 and 307,754.80

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Solution

The fourth proportional to 603,588.40, 904,000.20 and 307,754.80 is: 460,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,588.40 : 904,000.20 = 307,754.80 : x
  2. Step 2: Convert to fraction form
    603,588.40/904,000.20 = 307,754.80/x
  3. Step 3: Cross multiply
    603,588.40x = 904,000.20 × 307,754.80
  4. Step 4: Simplify right side
    603,588.40x = 278,210,400,750.96
  5. Step 5: Solve for x
    x = 278,210,400,750.96/603,588.40
  6. Step 6: Final answer
    x = 460,927.35

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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.