Home / 671,064.93-1,008,278.91-630,708.63

Finding the Fourth Proportional to 671,064.93, 1,008,278.91 and 630,708.63

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Solution

The fourth proportional to 671,064.93, 1,008,278.91 and 630,708.63 is: 947,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,064.93 : 1,008,278.91 = 630,708.63 : x
  2. Step 2: Convert to fraction form
    671,064.93/1,008,278.91 = 630,708.63/x
  3. Step 3: Cross multiply
    671,064.93x = 1,008,278.91 × 630,708.63
  4. Step 4: Simplify right side
    671,064.93x = 635,930,207,976.82
  5. Step 5: Solve for x
    x = 635,930,207,976.82/671,064.93
  6. Step 6: Final answer
    x = 947,643.34

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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.