Home / 859,988.51-1,186,784.90-472,810.51

Finding the Fourth Proportional to 859,988.51, 1,186,784.90 and 472,810.51

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Solution

The fourth proportional to 859,988.51, 1,186,784.90 and 472,810.51 is: 652,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,988.51 : 1,186,784.90 = 472,810.51 : x
  2. Step 2: Convert to fraction form
    859,988.51/1,186,784.90 = 472,810.51/x
  3. Step 3: Cross multiply
    859,988.51x = 1,186,784.90 × 472,810.51
  4. Step 4: Simplify right side
    859,988.51x = 561,124,375,614.24
  5. Step 5: Solve for x
    x = 561,124,375,614.24/859,988.51
  6. Step 6: Final answer
    x = 652,478.92

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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.