Home / 709,545.12-1,063,393.56-288,328.56

Finding the Fourth Proportional to 709,545.12, 1,063,393.56 and 288,328.56

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Solution

The fourth proportional to 709,545.12, 1,063,393.56 and 288,328.56 is: 432,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,545.12 : 1,063,393.56 = 288,328.56 : x
  2. Step 2: Convert to fraction form
    709,545.12/1,063,393.56 = 288,328.56/x
  3. Step 3: Cross multiply
    709,545.12x = 1,063,393.56 × 288,328.56
  4. Step 4: Simplify right side
    709,545.12x = 306,606,733,868.07
  5. Step 5: Solve for x
    x = 306,606,733,868.07/709,545.12
  6. Step 6: Final answer
    x = 432,117.32

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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.