Home / 804,985.40-1,207,478.10-604,218.80

Finding the Fourth Proportional to 804,985.40, 1,207,478.10 and 604,218.80

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Solution

The fourth proportional to 804,985.40, 1,207,478.10 and 604,218.80 is: 906,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,985.40 : 1,207,478.10 = 604,218.80 : x
  2. Step 2: Convert to fraction form
    804,985.40/1,207,478.10 = 604,218.80/x
  3. Step 3: Cross multiply
    804,985.40x = 1,207,478.10 × 604,218.80
  4. Step 4: Simplify right side
    804,985.40x = 729,580,968,608.28
  5. Step 5: Solve for x
    x = 729,580,968,608.28/804,985.40
  6. Step 6: Final answer
    x = 906,328.20

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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.