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Finding the Fourth Proportional to 570,293.80, 787,041.98 and 328,571.98

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Solution

The fourth proportional to 570,293.80, 787,041.98 and 328,571.98 is: 453,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,293.80 : 787,041.98 = 328,571.98 : x
  2. Step 2: Convert to fraction form
    570,293.80/787,041.98 = 328,571.98/x
  3. Step 3: Cross multiply
    570,293.80x = 787,041.98 × 328,571.98
  4. Step 4: Simplify right side
    570,293.80x = 258,599,941,711.72
  5. Step 5: Solve for x
    x = 258,599,941,711.72/570,293.80
  6. Step 6: Final answer
    x = 453,450.38

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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.