Home / 878,187.72-1,315,176.66-450,598.26

Finding the Fourth Proportional to 878,187.72, 1,315,176.66 and 450,598.26

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Solution

The fourth proportional to 878,187.72, 1,315,176.66 and 450,598.26 is: 674,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,187.72 : 1,315,176.66 = 450,598.26 : x
  2. Step 2: Convert to fraction form
    878,187.72/1,315,176.66 = 450,598.26/x
  3. Step 3: Cross multiply
    878,187.72x = 1,315,176.66 × 450,598.26
  4. Step 4: Simplify right side
    878,187.72x = 592,616,314,588.61
  5. Step 5: Solve for x
    x = 592,616,314,588.61/878,187.72
  6. Step 6: Final answer
    x = 674,817.36

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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.