Home / 867,763.21-1,301,802.76-299,225.83

Finding the Fourth Proportional to 867,763.21, 1,301,802.76 and 299,225.83

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Solution

The fourth proportional to 867,763.21, 1,301,802.76 and 299,225.83 is: 448,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,763.21 : 1,301,802.76 = 299,225.83 : x
  2. Step 2: Convert to fraction form
    867,763.21/1,301,802.76 = 299,225.83/x
  3. Step 3: Cross multiply
    867,763.21x = 1,301,802.76 × 299,225.83
  4. Step 4: Simplify right side
    867,763.21x = 389,533,011,759.27
  5. Step 5: Solve for x
    x = 389,533,011,759.27/867,763.21
  6. Step 6: Final answer
    x = 448,893.21

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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.