Home / 914,962.83-1,262,630.54-507,056.21

Finding the Fourth Proportional to 914,962.83, 1,262,630.54 and 507,056.21

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Solution

The fourth proportional to 914,962.83, 1,262,630.54 and 507,056.21 is: 699,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,962.83 : 1,262,630.54 = 507,056.21 : x
  2. Step 2: Convert to fraction form
    914,962.83/1,262,630.54 = 507,056.21/x
  3. Step 3: Cross multiply
    914,962.83x = 1,262,630.54 × 507,056.21
  4. Step 4: Simplify right side
    914,962.83x = 640,224,647,394.22
  5. Step 5: Solve for x
    x = 640,224,647,394.22/914,962.83
  6. Step 6: Final answer
    x = 699,727.49

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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.