Home / 921,374.16-1,382,177.64-360,335.76

Finding the Fourth Proportional to 921,374.16, 1,382,177.64 and 360,335.76

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Solution

The fourth proportional to 921,374.16, 1,382,177.64 and 360,335.76 is: 540,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,374.16 : 1,382,177.64 = 360,335.76 : x
  2. Step 2: Convert to fraction form
    921,374.16/1,382,177.64 = 360,335.76/x
  3. Step 3: Cross multiply
    921,374.16x = 1,382,177.64 × 360,335.76
  4. Step 4: Simplify right side
    921,374.16x = 498,048,030,364.41
  5. Step 5: Solve for x
    x = 498,048,030,364.41/921,374.16
  6. Step 6: Final answer
    x = 540,549.16

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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.