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Finding the Fourth Proportional to 528,579, 730,044.50 and 348,097.64

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Solution

The fourth proportional to 528,579, 730,044.50 and 348,097.64 is: 480,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,579 : 730,044.50 = 348,097.64 : x
  2. Step 2: Convert to fraction form
    528,579/730,044.50 = 348,097.64/x
  3. Step 3: Cross multiply
    528,579x = 730,044.50 × 348,097.64
  4. Step 4: Simplify right side
    528,579x = 254,126,762,154.27
  5. Step 5: Solve for x
    x = 254,126,762,154.27/528,579
  6. Step 6: Final answer
    x = 480,773.47

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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.