Home / 614,931.25-921,529.83-290,373.05

Finding the Fourth Proportional to 614,931.25, 921,529.83 and 290,373.05

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Solution

The fourth proportional to 614,931.25, 921,529.83 and 290,373.05 is: 435,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,931.25 : 921,529.83 = 290,373.05 : x
  2. Step 2: Convert to fraction form
    614,931.25/921,529.83 = 290,373.05/x
  3. Step 3: Cross multiply
    614,931.25x = 921,529.83 × 290,373.05
  4. Step 4: Simplify right side
    614,931.25x = 267,587,422,495.48
  5. Step 5: Solve for x
    x = 267,587,422,495.48/614,931.25
  6. Step 6: Final answer
    x = 435,150.14

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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.