Home / 971,915.70-1,457,355.15-410,315.70

Finding the Fourth Proportional to 971,915.70, 1,457,355.15 and 410,315.70

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Solution

The fourth proportional to 971,915.70, 1,457,355.15 and 410,315.70 is: 615,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,915.70 : 1,457,355.15 = 410,315.70 : x
  2. Step 2: Convert to fraction form
    971,915.70/1,457,355.15 = 410,315.70/x
  3. Step 3: Cross multiply
    971,915.70x = 1,457,355.15 × 410,315.70
  4. Step 4: Simplify right side
    971,915.70x = 597,975,698,520.86
  5. Step 5: Solve for x
    x = 597,975,698,520.86/971,915.70
  6. Step 6: Final answer
    x = 615,254.70

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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.