Home / 804,030.30-1,206,045.45-488,583.90

Finding the Fourth Proportional to 804,030.30, 1,206,045.45 and 488,583.90

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Solution

The fourth proportional to 804,030.30, 1,206,045.45 and 488,583.90 is: 732,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,030.30 : 1,206,045.45 = 488,583.90 : x
  2. Step 2: Convert to fraction form
    804,030.30/1,206,045.45 = 488,583.90/x
  3. Step 3: Cross multiply
    804,030.30x = 1,206,045.45 × 488,583.90
  4. Step 4: Simplify right side
    804,030.30x = 589,254,389,538.26
  5. Step 5: Solve for x
    x = 589,254,389,538.26/804,030.30
  6. Step 6: Final answer
    x = 732,875.85

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Double scale
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Similar ratio
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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.