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Finding the Fourth Proportional to 609,062.04, 840,312.39 and 354,364.02

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Solution

The fourth proportional to 609,062.04, 840,312.39 and 354,364.02 is: 488,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,062.04 : 840,312.39 = 354,364.02 : x
  2. Step 2: Convert to fraction form
    609,062.04/840,312.39 = 354,364.02/x
  3. Step 3: Cross multiply
    609,062.04x = 840,312.39 × 354,364.02
  4. Step 4: Simplify right side
    609,062.04x = 297,776,476,576.21
  5. Step 5: Solve for x
    x = 297,776,476,576.21/609,062.04
  6. Step 6: Final answer
    x = 488,909.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.