Home / 864,813.61-1,296,095.21-351,880.98

Finding the Fourth Proportional to 864,813.61, 1,296,095.21 and 351,880.98

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Solution

The fourth proportional to 864,813.61, 1,296,095.21 and 351,880.98 is: 527,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,813.61 : 1,296,095.21 = 351,880.98 : x
  2. Step 2: Convert to fraction form
    864,813.61/1,296,095.21 = 351,880.98/x
  3. Step 3: Cross multiply
    864,813.61x = 1,296,095.21 × 351,880.98
  4. Step 4: Simplify right side
    864,813.61x = 456,071,249,347.23
  5. Step 5: Solve for x
    x = 456,071,249,347.23/864,813.61
  6. Step 6: Final answer
    x = 527,363.64

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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.