Home / 786,339.52-1,179,280.76-306,460.49

Finding the Fourth Proportional to 786,339.52, 1,179,280.76 and 306,460.49

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Solution

The fourth proportional to 786,339.52, 1,179,280.76 and 306,460.49 is: 459,601.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,339.52 : 1,179,280.76 = 306,460.49 : x
  2. Step 2: Convert to fraction form
    786,339.52/1,179,280.76 = 306,460.49/x
  3. Step 3: Cross multiply
    786,339.52x = 1,179,280.76 × 306,460.49
  4. Step 4: Simplify right side
    786,339.52x = 361,402,952,128.47
  5. Step 5: Solve for x
    x = 361,402,952,128.47/786,339.52
  6. Step 6: Final answer
    x = 459,601.67

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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.