Home / 931,607.84-1,397,411.08-300,521.68

Finding the Fourth Proportional to 931,607.84, 1,397,411.08 and 300,521.68

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Solution

The fourth proportional to 931,607.84, 1,397,411.08 and 300,521.68 is: 450,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,607.84 : 1,397,411.08 = 300,521.68 : x
  2. Step 2: Convert to fraction form
    931,607.84/1,397,411.08 = 300,521.68/x
  3. Step 3: Cross multiply
    931,607.84x = 1,397,411.08 × 300,521.68
  4. Step 4: Simplify right side
    931,607.84x = 419,952,325,412.21
  5. Step 5: Solve for x
    x = 419,952,325,412.21/931,607.84
  6. Step 6: Final answer
    x = 450,782.30

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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.