Home / 715,779.23-1,072,881.50-294,825.47

Finding the Fourth Proportional to 715,779.23, 1,072,881.50 and 294,825.47

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Solution

The fourth proportional to 715,779.23, 1,072,881.50 and 294,825.47 is: 441,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,779.23 : 1,072,881.50 = 294,825.47 : x
  2. Step 2: Convert to fraction form
    715,779.23/1,072,881.50 = 294,825.47/x
  3. Step 3: Cross multiply
    715,779.23x = 1,072,881.50 × 294,825.47
  4. Step 4: Simplify right side
    715,779.23x = 316,312,785,653.27
  5. Step 5: Solve for x
    x = 316,312,785,653.27/715,779.23
  6. Step 6: Final answer
    x = 441,913.90

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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.