Home / 768,525.40-1,060,521.06-429,015.16

Finding the Fourth Proportional to 768,525.40, 1,060,521.06 and 429,015.16

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Solution

The fourth proportional to 768,525.40, 1,060,521.06 and 429,015.16 is: 592,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,525.40 : 1,060,521.06 = 429,015.16 : x
  2. Step 2: Convert to fraction form
    768,525.40/1,060,521.06 = 429,015.16/x
  3. Step 3: Cross multiply
    768,525.40x = 1,060,521.06 × 429,015.16
  4. Step 4: Simplify right side
    768,525.40x = 454,979,612,239.27
  5. Step 5: Solve for x
    x = 454,979,612,239.27/768,525.40
  6. Step 6: Final answer
    x = 592,016.36

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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.