Home / 355,417.07-530,375.04-317,565.77

Finding the Fourth Proportional to 355,417.07, 530,375.04 and 317,565.77

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Solution

The fourth proportional to 355,417.07, 530,375.04 and 317,565.77 is: 473,891.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,417.07 : 530,375.04 = 317,565.77 : x
  2. Step 2: Convert to fraction form
    355,417.07/530,375.04 = 317,565.77/x
  3. Step 3: Cross multiply
    355,417.07x = 530,375.04 × 317,565.77
  4. Step 4: Simplify right side
    355,417.07x = 168,428,955,314.51
  5. Step 5: Solve for x
    x = 168,428,955,314.51/355,417.07
  6. Step 6: Final answer
    x = 473,891.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.