Home / 857,038.24-1,182,722.64-475,071.52

Finding the Fourth Proportional to 857,038.24, 1,182,722.64 and 475,071.52

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Solution

The fourth proportional to 857,038.24, 1,182,722.64 and 475,071.52 is: 655,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,038.24 : 1,182,722.64 = 475,071.52 : x
  2. Step 2: Convert to fraction form
    857,038.24/1,182,722.64 = 475,071.52/x
  3. Step 3: Cross multiply
    857,038.24x = 1,182,722.64 × 475,071.52
  4. Step 4: Simplify right side
    857,038.24x = 561,877,842,323.21
  5. Step 5: Solve for x
    x = 561,877,842,323.21/857,038.24
  6. Step 6: Final answer
    x = 655,604.17

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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.