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Finding the Fourth Proportional to 528,159.68, 728,794.88 and 337,284.80

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Solution

The fourth proportional to 528,159.68, 728,794.88 and 337,284.80 is: 465,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,159.68 : 728,794.88 = 337,284.80 : x
  2. Step 2: Convert to fraction form
    528,159.68/728,794.88 = 337,284.80/x
  3. Step 3: Cross multiply
    528,159.68x = 728,794.88 × 337,284.80
  4. Step 4: Simplify right side
    528,159.68x = 245,811,435,341.82
  5. Step 5: Solve for x
    x = 245,811,435,341.82/528,159.68
  6. Step 6: Final answer
    x = 465,411.21

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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.