Home / 748,719.90-1,122,314.40-369,056.70

Finding the Fourth Proportional to 748,719.90, 1,122,314.40 and 369,056.70

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Solution

The fourth proportional to 748,719.90, 1,122,314.40 and 369,056.70 is: 553,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,719.90 : 1,122,314.40 = 369,056.70 : x
  2. Step 2: Convert to fraction form
    748,719.90/1,122,314.40 = 369,056.70/x
  3. Step 3: Cross multiply
    748,719.90x = 1,122,314.40 × 369,056.70
  4. Step 4: Simplify right side
    748,719.90x = 414,197,648,826.48
  5. Step 5: Solve for x
    x = 414,197,648,826.48/748,719.90
  6. Step 6: Final answer
    x = 553,207.75

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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.