Home / 876,148.93-1,209,632.88-671,807.31

Finding the Fourth Proportional to 876,148.93, 1,209,632.88 and 671,807.31

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Solution

The fourth proportional to 876,148.93, 1,209,632.88 and 671,807.31 is: 927,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,148.93 : 1,209,632.88 = 671,807.31 : x
  2. Step 2: Convert to fraction form
    876,148.93/1,209,632.88 = 671,807.31/x
  3. Step 3: Cross multiply
    876,148.93x = 1,209,632.88 × 671,807.31
  4. Step 4: Simplify right side
    876,148.93x = 812,640,211,200.35
  5. Step 5: Solve for x
    x = 812,640,211,200.35/876,148.93
  6. Step 6: Final answer
    x = 927,513.79

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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.