Home / 876,454.80-1,314,293.40-403,285.20

Finding the Fourth Proportional to 876,454.80, 1,314,293.40 and 403,285.20

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Solution

The fourth proportional to 876,454.80, 1,314,293.40 and 403,285.20 is: 604,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,454.80 : 1,314,293.40 = 403,285.20 : x
  2. Step 2: Convert to fraction form
    876,454.80/1,314,293.40 = 403,285.20/x
  3. Step 3: Cross multiply
    876,454.80x = 1,314,293.40 × 403,285.20
  4. Step 4: Simplify right side
    876,454.80x = 530,035,076,677.68
  5. Step 5: Solve for x
    x = 530,035,076,677.68/876,454.80
  6. Step 6: Final answer
    x = 604,748.90

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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.