Home / 774,051.35-1,159,309.31-369,528.12

Finding the Fourth Proportional to 774,051.35, 1,159,309.31 and 369,528.12

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Solution

The fourth proportional to 774,051.35, 1,159,309.31 and 369,528.12 is: 553,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,051.35 : 1,159,309.31 = 369,528.12 : x
  2. Step 2: Convert to fraction form
    774,051.35/1,159,309.31 = 369,528.12/x
  3. Step 3: Cross multiply
    774,051.35x = 1,159,309.31 × 369,528.12
  4. Step 4: Simplify right side
    774,051.35x = 428,397,390,746.62
  5. Step 5: Solve for x
    x = 428,397,390,746.62/774,051.35
  6. Step 6: Final answer
    x = 553,448.28

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Double scale
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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.