Home / 646,644.06-892,059.75-502,417.08

Finding the Fourth Proportional to 646,644.06, 892,059.75 and 502,417.08

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Solution

The fourth proportional to 646,644.06, 892,059.75 and 502,417.08 is: 693,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,644.06 : 892,059.75 = 502,417.08 : x
  2. Step 2: Convert to fraction form
    646,644.06/892,059.75 = 502,417.08/x
  3. Step 3: Cross multiply
    646,644.06x = 892,059.75 × 502,417.08
  4. Step 4: Simplify right side
    646,644.06x = 448,186,054,780.53
  5. Step 5: Solve for x
    x = 448,186,054,780.53/646,644.06
  6. Step 6: Final answer
    x = 693,095.45

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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.