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Finding the Fourth Proportional to 632,522.40, 948,498.33 and 312,549.51

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Solution

The fourth proportional to 632,522.40, 948,498.33 and 312,549.51 is: 468,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,522.40 : 948,498.33 = 312,549.51 : x
  2. Step 2: Convert to fraction form
    632,522.40/948,498.33 = 312,549.51/x
  3. Step 3: Cross multiply
    632,522.40x = 948,498.33 × 312,549.51
  4. Step 4: Simplify right side
    632,522.40x = 296,452,688,277.32
  5. Step 5: Solve for x
    x = 296,452,688,277.32/632,522.40
  6. Step 6: Final answer
    x = 468,683.30

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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.