Home / 804,918.90-1,207,378.35-604,152.30

Finding the Fourth Proportional to 804,918.90, 1,207,378.35 and 604,152.30

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Solution

The fourth proportional to 804,918.90, 1,207,378.35 and 604,152.30 is: 906,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,918.90 : 1,207,378.35 = 604,152.30 : x
  2. Step 2: Convert to fraction form
    804,918.90/1,207,378.35 = 604,152.30/x
  3. Step 3: Cross multiply
    804,918.90x = 1,207,378.35 × 604,152.30
  4. Step 4: Simplify right side
    804,918.90x = 729,440,407,122.71
  5. Step 5: Solve for x
    x = 729,440,407,122.71/804,918.90
  6. Step 6: Final answer
    x = 906,228.45

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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.