Home / 790,346.20-1,185,574.74-317,031.58

Finding the Fourth Proportional to 790,346.20, 1,185,574.74 and 317,031.58

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Solution

The fourth proportional to 790,346.20, 1,185,574.74 and 317,031.58 is: 475,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,346.20 : 1,185,574.74 = 317,031.58 : x
  2. Step 2: Convert to fraction form
    790,346.20/1,185,574.74 = 317,031.58/x
  3. Step 3: Cross multiply
    790,346.20x = 1,185,574.74 × 317,031.58
  4. Step 4: Simplify right side
    790,346.20x = 375,864,633,030.29
  5. Step 5: Solve for x
    x = 375,864,633,030.29/790,346.20
  6. Step 6: Final answer
    x = 475,569.61

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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.