Home / 947,677.79-1,421,307.57-273,612.47

Finding the Fourth Proportional to 947,677.79, 1,421,307.57 and 273,612.47

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Solution

The fourth proportional to 947,677.79, 1,421,307.57 and 273,612.47 is: 410,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,677.79 : 1,421,307.57 = 273,612.47 : x
  2. Step 2: Convert to fraction form
    947,677.79/1,421,307.57 = 273,612.47/x
  3. Step 3: Cross multiply
    947,677.79x = 1,421,307.57 × 273,612.47
  4. Step 4: Simplify right side
    947,677.79x = 388,887,468,776.91
  5. Step 5: Solve for x
    x = 388,887,468,776.91/947,677.79
  6. Step 6: Final answer
    x = 410,358.32

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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.