Home / 709,550.72-1,064,466.29-260,275.77

Finding the Fourth Proportional to 709,550.72, 1,064,466.29 and 260,275.77

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Solution

The fourth proportional to 709,550.72, 1,064,466.29 and 260,275.77 is: 390,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,550.72 : 1,064,466.29 = 260,275.77 : x
  2. Step 2: Convert to fraction form
    709,550.72/1,064,466.29 = 260,275.77/x
  3. Step 3: Cross multiply
    709,550.72x = 1,064,466.29 × 260,275.77
  4. Step 4: Simplify right side
    709,550.72x = 277,054,781,967.41
  5. Step 5: Solve for x
    x = 277,054,781,967.41/709,550.72
  6. Step 6: Final answer
    x = 390,465.09

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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.