Home / 782,088.24-1,173,576.15-422,254.30

Finding the Fourth Proportional to 782,088.24, 1,173,576.15 and 422,254.30

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Solution

The fourth proportional to 782,088.24, 1,173,576.15 and 422,254.30 is: 633,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,088.24 : 1,173,576.15 = 422,254.30 : x
  2. Step 2: Convert to fraction form
    782,088.24/1,173,576.15 = 422,254.30/x
  3. Step 3: Cross multiply
    782,088.24x = 1,173,576.15 × 422,254.30
  4. Step 4: Simplify right side
    782,088.24x = 495,547,573,603.67
  5. Step 5: Solve for x
    x = 495,547,573,603.67/782,088.24
  6. Step 6: Final answer
    x = 633,621.05

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Double scale
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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.