Home / 804,975.20-1,208,240.40-490,047.20

Finding the Fourth Proportional to 804,975.20, 1,208,240.40 and 490,047.20

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Solution

The fourth proportional to 804,975.20, 1,208,240.40 and 490,047.20 is: 735,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,975.20 : 1,208,240.40 = 490,047.20 : x
  2. Step 2: Convert to fraction form
    804,975.20/1,208,240.40 = 490,047.20/x
  3. Step 3: Cross multiply
    804,975.20x = 1,208,240.40 × 490,047.20
  4. Step 4: Simplify right side
    804,975.20x = 592,094,824,946.88
  5. Step 5: Solve for x
    x = 592,094,824,946.88/804,975.20
  6. Step 6: Final answer
    x = 735,544.18

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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.