Home / 690,291.32-952,895.95-464,068.04

Finding the Fourth Proportional to 690,291.32, 952,895.95 and 464,068.04

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Solution

The fourth proportional to 690,291.32, 952,895.95 and 464,068.04 is: 640,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,291.32 : 952,895.95 = 464,068.04 : x
  2. Step 2: Convert to fraction form
    690,291.32/952,895.95 = 464,068.04/x
  3. Step 3: Cross multiply
    690,291.32x = 952,895.95 × 464,068.04
  4. Step 4: Simplify right side
    690,291.32x = 442,208,549,915.79
  5. Step 5: Solve for x
    x = 442,208,549,915.79/690,291.32
  6. Step 6: Final answer
    x = 640,611.49

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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.