Home / 641,263.04-960,974.40-360,188.72

Finding the Fourth Proportional to 641,263.04, 960,974.40 and 360,188.72

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Solution

The fourth proportional to 641,263.04, 960,974.40 and 360,188.72 is: 539,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,263.04 : 960,974.40 = 360,188.72 : x
  2. Step 2: Convert to fraction form
    641,263.04/960,974.40 = 360,188.72/x
  3. Step 3: Cross multiply
    641,263.04x = 960,974.40 × 360,188.72
  4. Step 4: Simplify right side
    641,263.04x = 346,132,139,088.77
  5. Step 5: Solve for x
    x = 346,132,139,088.77/641,263.04
  6. Step 6: Final answer
    x = 539,766.24

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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.