Home / 774,005.04-1,160,712.31-369,125.73

Finding the Fourth Proportional to 774,005.04, 1,160,712.31 and 369,125.73

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Solution

The fourth proportional to 774,005.04, 1,160,712.31 and 369,125.73 is: 553,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,005.04 : 1,160,712.31 = 369,125.73 : x
  2. Step 2: Convert to fraction form
    774,005.04/1,160,712.31 = 369,125.73/x
  3. Step 3: Cross multiply
    774,005.04x = 1,160,712.31 × 369,125.73
  4. Step 4: Simplify right side
    774,005.04x = 428,448,778,748.74
  5. Step 5: Solve for x
    x = 428,448,778,748.74/774,005.04
  6. Step 6: Final answer
    x = 553,547.79

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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.