Home / 859,545.04-1,289,317.56-298,580.08

Finding the Fourth Proportional to 859,545.04, 1,289,317.56 and 298,580.08

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Solution

The fourth proportional to 859,545.04, 1,289,317.56 and 298,580.08 is: 447,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,545.04 : 1,289,317.56 = 298,580.08 : x
  2. Step 2: Convert to fraction form
    859,545.04/1,289,317.56 = 298,580.08/x
  3. Step 3: Cross multiply
    859,545.04x = 1,289,317.56 × 298,580.08
  4. Step 4: Simplify right side
    859,545.04x = 384,964,532,270.72
  5. Step 5: Solve for x
    x = 384,964,532,270.72/859,545.04
  6. Step 6: Final answer
    x = 447,870.11

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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.