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Finding the Fourth Proportional to 578,966.94, 798,982.38 and 333,946.80

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Solution

The fourth proportional to 578,966.94, 798,982.38 and 333,946.80 is: 460,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,966.94 : 798,982.38 = 333,946.80 : x
  2. Step 2: Convert to fraction form
    578,966.94/798,982.38 = 333,946.80/x
  3. Step 3: Cross multiply
    578,966.94x = 798,982.38 × 333,946.80
  4. Step 4: Simplify right side
    578,966.94x = 266,817,609,057.38
  5. Step 5: Solve for x
    x = 266,817,609,057.38/578,966.94
  6. Step 6: Final answer
    x = 460,851.20

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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.