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Finding the Fourth Proportional to 586,466.40, 879,772.02 and 207,308.94

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Solution

The fourth proportional to 586,466.40, 879,772.02 and 207,308.94 is: 310,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,466.40 : 879,772.02 = 207,308.94 : x
  2. Step 2: Convert to fraction form
    586,466.40/879,772.02 = 207,308.94/x
  3. Step 3: Cross multiply
    586,466.40x = 879,772.02 × 207,308.94
  4. Step 4: Simplify right side
    586,466.40x = 182,384,604,907.86
  5. Step 5: Solve for x
    x = 182,384,604,907.86/586,466.40
  6. Step 6: Final answer
    x = 310,989.01

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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.