Home / 804,782.60-1,205,424.30-488,688.20

Finding the Fourth Proportional to 804,782.60, 1,205,424.30 and 488,688.20

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Solution

The fourth proportional to 804,782.60, 1,205,424.30 and 488,688.20 is: 731,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,782.60 : 1,205,424.30 = 488,688.20 : x
  2. Step 2: Convert to fraction form
    804,782.60/1,205,424.30 = 488,688.20/x
  3. Step 3: Cross multiply
    804,782.60x = 1,205,424.30 × 488,688.20
  4. Step 4: Simplify right side
    804,782.60x = 589,076,631,403.26
  5. Step 5: Solve for x
    x = 589,076,631,403.26/804,782.60
  6. Step 6: Final answer
    x = 731,969.89

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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.