Home / 804,928.70-1,208,170.65-490,000.70

Finding the Fourth Proportional to 804,928.70, 1,208,170.65 and 490,000.70

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Solution

The fourth proportional to 804,928.70, 1,208,170.65 and 490,000.70 is: 735,474.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,928.70 : 1,208,170.65 = 490,000.70 : x
  2. Step 2: Convert to fraction form
    804,928.70/1,208,170.65 = 490,000.70/x
  3. Step 3: Cross multiply
    804,928.70x = 1,208,170.65 × 490,000.70
  4. Step 4: Simplify right side
    804,928.70x = 592,004,464,219.46
  5. Step 5: Solve for x
    x = 592,004,464,219.46/804,928.70
  6. Step 6: Final answer
    x = 735,474.41

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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.