Home / 852,509.58-1,176,379.40-470,511.72

Finding the Fourth Proportional to 852,509.58, 1,176,379.40 and 470,511.72

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Solution

The fourth proportional to 852,509.58, 1,176,379.40 and 470,511.72 is: 649,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,509.58 : 1,176,379.40 = 470,511.72 : x
  2. Step 2: Convert to fraction form
    852,509.58/1,176,379.40 = 470,511.72/x
  3. Step 3: Cross multiply
    852,509.58x = 1,176,379.40 × 470,511.72
  4. Step 4: Simplify right side
    852,509.58x = 553,500,294,866.57
  5. Step 5: Solve for x
    x = 553,500,294,866.57/852,509.58
  6. Step 6: Final answer
    x = 649,259.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.