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Finding the Fourth Proportional to 545,000.74, 752,089.89 and 341,164.07

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Solution

The fourth proportional to 545,000.74, 752,089.89 and 341,164.07 is: 470,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,000.74 : 752,089.89 = 341,164.07 : x
  2. Step 2: Convert to fraction form
    545,000.74/752,089.89 = 341,164.07/x
  3. Step 3: Cross multiply
    545,000.74x = 752,089.89 × 341,164.07
  4. Step 4: Simplify right side
    545,000.74x = 256,586,047,878.25
  5. Step 5: Solve for x
    x = 256,586,047,878.25/545,000.74
  6. Step 6: Final answer
    x = 470,799.45

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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.