Home / 631,528.40-949,625.40-528,885.20

Finding the Fourth Proportional to 631,528.40, 949,625.40 and 528,885.20

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Solution

The fourth proportional to 631,528.40, 949,625.40 and 528,885.20 is: 795,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,528.40 : 949,625.40 = 528,885.20 : x
  2. Step 2: Convert to fraction form
    631,528.40/949,625.40 = 528,885.20/x
  3. Step 3: Cross multiply
    631,528.40x = 949,625.40 × 528,885.20
  4. Step 4: Simplify right side
    631,528.40x = 502,242,819,604.08
  5. Step 5: Solve for x
    x = 502,242,819,604.08/631,528.40
  6. Step 6: Final answer
    x = 795,281.45

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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.