Home / 835,442.10-1,152,712.44-472,865.91

Finding the Fourth Proportional to 835,442.10, 1,152,712.44 and 472,865.91

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Solution

The fourth proportional to 835,442.10, 1,152,712.44 and 472,865.91 is: 652,443.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,442.10 : 1,152,712.44 = 472,865.91 : x
  2. Step 2: Convert to fraction form
    835,442.10/1,152,712.44 = 472,865.91/x
  3. Step 3: Cross multiply
    835,442.10x = 1,152,712.44 × 472,865.91
  4. Step 4: Simplify right side
    835,442.10x = 545,078,416,908.92
  5. Step 5: Solve for x
    x = 545,078,416,908.92/835,442.10
  6. Step 6: Final answer
    x = 652,443.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.