Home / 947,106.95-1,420,672.73-316,020.77

Finding the Fourth Proportional to 947,106.95, 1,420,672.73 and 316,020.77

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Solution

The fourth proportional to 947,106.95, 1,420,672.73 and 316,020.77 is: 474,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,106.95 : 1,420,672.73 = 316,020.77 : x
  2. Step 2: Convert to fraction form
    947,106.95/1,420,672.73 = 316,020.77/x
  3. Step 3: Cross multiply
    947,106.95x = 1,420,672.73 × 316,020.77
  4. Step 4: Simplify right side
    947,106.95x = 448,962,081,369.14
  5. Step 5: Solve for x
    x = 448,962,081,369.14/947,106.95
  6. Step 6: Final answer
    x = 474,035.25

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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.