Home / 945,156.08-1,304,303.64-515,426.24

Finding the Fourth Proportional to 945,156.08, 1,304,303.64 and 515,426.24

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Solution

The fourth proportional to 945,156.08, 1,304,303.64 and 515,426.24 is: 711,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,156.08 : 1,304,303.64 = 515,426.24 : x
  2. Step 2: Convert to fraction form
    945,156.08/1,304,303.64 = 515,426.24/x
  3. Step 3: Cross multiply
    945,156.08x = 1,304,303.64 × 515,426.24
  4. Step 4: Simplify right side
    945,156.08x = 672,272,320,983.51
  5. Step 5: Solve for x
    x = 672,272,320,983.51/945,156.08
  6. Step 6: Final answer
    x = 711,281.80

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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.