Home / 857,140.36-1,285,924.80-604,913.20

Finding the Fourth Proportional to 857,140.36, 1,285,924.80 and 604,913.20

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Solution

The fourth proportional to 857,140.36, 1,285,924.80 and 604,913.20 is: 907,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,140.36 : 1,285,924.80 = 604,913.20 : x
  2. Step 2: Convert to fraction form
    857,140.36/1,285,924.80 = 604,913.20/x
  3. Step 3: Cross multiply
    857,140.36x = 1,285,924.80 × 604,913.20
  4. Step 4: Simplify right side
    857,140.36x = 777,872,885,727.36
  5. Step 5: Solve for x
    x = 777,872,885,727.36/857,140.36
  6. Step 6: Final answer
    x = 907,521.01

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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.