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Finding the Fourth Proportional to 510,220.40, 766,205.40 and 333,510.80

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Solution

The fourth proportional to 510,220.40, 766,205.40 and 333,510.80 is: 500,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,220.40 : 766,205.40 = 333,510.80 : x
  2. Step 2: Convert to fraction form
    510,220.40/766,205.40 = 333,510.80/x
  3. Step 3: Cross multiply
    510,220.40x = 766,205.40 × 333,510.80
  4. Step 4: Simplify right side
    510,220.40x = 255,537,775,918.32
  5. Step 5: Solve for x
    x = 255,537,775,918.32/510,220.40
  6. Step 6: Final answer
    x = 500,838.02

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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.