Home / 707,067.96-975,724.74-384,779.40

Finding the Fourth Proportional to 707,067.96, 975,724.74 and 384,779.40

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Solution

The fourth proportional to 707,067.96, 975,724.74 and 384,779.40 is: 530,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,067.96 : 975,724.74 = 384,779.40 : x
  2. Step 2: Convert to fraction form
    707,067.96/975,724.74 = 384,779.40/x
  3. Step 3: Cross multiply
    707,067.96x = 975,724.74 × 384,779.40
  4. Step 4: Simplify right side
    707,067.96x = 375,438,780,022.36
  5. Step 5: Solve for x
    x = 375,438,780,022.36/707,067.96
  6. Step 6: Final answer
    x = 530,979.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.