Home / 786,072.10-1,176,386.55-470,755.30

Finding the Fourth Proportional to 786,072.10, 1,176,386.55 and 470,755.30

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Solution

The fourth proportional to 786,072.10, 1,176,386.55 and 470,755.30 is: 704,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,072.10 : 1,176,386.55 = 470,755.30 : x
  2. Step 2: Convert to fraction form
    786,072.10/1,176,386.55 = 470,755.30/x
  3. Step 3: Cross multiply
    786,072.10x = 1,176,386.55 × 470,755.30
  4. Step 4: Simplify right side
    786,072.10x = 553,790,203,261.22
  5. Step 5: Solve for x
    x = 553,790,203,261.22/786,072.10
  6. Step 6: Final answer
    x = 704,503.06

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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.