Home / 684,915.35-945,118.83-463,702.66

Finding the Fourth Proportional to 684,915.35, 945,118.83 and 463,702.66

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Solution

The fourth proportional to 684,915.35, 945,118.83 and 463,702.66 is: 639,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,915.35 : 945,118.83 = 463,702.66 : x
  2. Step 2: Convert to fraction form
    684,915.35/945,118.83 = 463,702.66/x
  3. Step 3: Cross multiply
    684,915.35x = 945,118.83 × 463,702.66
  4. Step 4: Simplify right side
    684,915.35x = 438,254,114,863.18
  5. Step 5: Solve for x
    x = 438,254,114,863.18/684,915.35
  6. Step 6: Final answer
    x = 639,866.11

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1.5x scale

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.