Home / 804,987.20-1,208,258.40-490,059.20

Finding the Fourth Proportional to 804,987.20, 1,208,258.40 and 490,059.20

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Solution

The fourth proportional to 804,987.20, 1,208,258.40 and 490,059.20 is: 735,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,987.20 : 1,208,258.40 = 490,059.20 : x
  2. Step 2: Convert to fraction form
    804,987.20/1,208,258.40 = 490,059.20/x
  3. Step 3: Cross multiply
    804,987.20x = 1,208,258.40 × 490,059.20
  4. Step 4: Simplify right side
    804,987.20x = 592,118,144,897.28
  5. Step 5: Solve for x
    x = 592,118,144,897.28/804,987.20
  6. Step 6: Final answer
    x = 735,562.19

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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.