Home / 971,409.60-1,457,114.40-617,115.60

Finding the Fourth Proportional to 971,409.60, 1,457,114.40 and 617,115.60

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Solution

The fourth proportional to 971,409.60, 1,457,114.40 and 617,115.60 is: 925,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,409.60 : 1,457,114.40 = 617,115.60 : x
  2. Step 2: Convert to fraction form
    971,409.60/1,457,114.40 = 617,115.60/x
  3. Step 3: Cross multiply
    971,409.60x = 1,457,114.40 × 617,115.60
  4. Step 4: Simplify right side
    971,409.60x = 899,208,027,224.64
  5. Step 5: Solve for x
    x = 899,208,027,224.64/971,409.60
  6. Step 6: Final answer
    x = 925,673.40

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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.