Home / 487,623.32-730,955.16-284,962.20

Finding the Fourth Proportional to 487,623.32, 730,955.16 and 284,962.20

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Solution

The fourth proportional to 487,623.32, 730,955.16 and 284,962.20 is: 427,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,623.32 : 730,955.16 = 284,962.20 : x
  2. Step 2: Convert to fraction form
    487,623.32/730,955.16 = 284,962.20/x
  3. Step 3: Cross multiply
    487,623.32x = 730,955.16 × 284,962.20
  4. Step 4: Simplify right side
    487,623.32x = 208,294,590,494.95
  5. Step 5: Solve for x
    x = 208,294,590,494.95/487,623.32
  6. Step 6: Final answer
    x = 427,162.90

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1.5x scale

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.