Home / 772,521.15-1,066,429.54-497,276.26

Finding the Fourth Proportional to 772,521.15, 1,066,429.54 and 497,276.26

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Solution

The fourth proportional to 772,521.15, 1,066,429.54 and 497,276.26 is: 686,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,521.15 : 1,066,429.54 = 497,276.26 : x
  2. Step 2: Convert to fraction form
    772,521.15/1,066,429.54 = 497,276.26/x
  3. Step 3: Cross multiply
    772,521.15x = 1,066,429.54 × 497,276.26
  4. Step 4: Simplify right side
    772,521.15x = 530,310,093,204.72
  5. Step 5: Solve for x
    x = 530,310,093,204.72/772,521.15
  6. Step 6: Final answer
    x = 686,466.76

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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.