Home / 704,878.09-972,705.70-382,581.32

Finding the Fourth Proportional to 704,878.09, 972,705.70 and 382,581.32

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Solution

The fourth proportional to 704,878.09, 972,705.70 and 382,581.32 is: 527,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,878.09 : 972,705.70 = 382,581.32 : x
  2. Step 2: Convert to fraction form
    704,878.09/972,705.70 = 382,581.32/x
  3. Step 3: Cross multiply
    704,878.09x = 972,705.70 × 382,581.32
  4. Step 4: Simplify right side
    704,878.09x = 372,139,024,857.54
  5. Step 5: Solve for x
    x = 372,139,024,857.54/704,878.09
  6. Step 6: Final answer
    x = 527,948.07

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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.