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Finding the Fourth Proportional to 476,803.16, 714,539.72 and 358,335.80

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Solution

The fourth proportional to 476,803.16, 714,539.72 and 358,335.80 is: 537,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,803.16 : 714,539.72 = 358,335.80 : x
  2. Step 2: Convert to fraction form
    476,803.16/714,539.72 = 358,335.80/x
  3. Step 3: Cross multiply
    476,803.16x = 714,539.72 × 358,335.80
  4. Step 4: Simplify right side
    476,803.16x = 256,045,162,197.98
  5. Step 5: Solve for x
    x = 256,045,162,197.98/476,803.16
  6. Step 6: Final answer
    x = 537,003.91

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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.