Home / 876,768.30-1,315,152.45-824,280.30

Finding the Fourth Proportional to 876,768.30, 1,315,152.45 and 824,280.30

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Solution

The fourth proportional to 876,768.30, 1,315,152.45 and 824,280.30 is: 1,236,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,768.30 : 1,315,152.45 = 824,280.30 : x
  2. Step 2: Convert to fraction form
    876,768.30/1,315,152.45 = 824,280.30/x
  3. Step 3: Cross multiply
    876,768.30x = 1,315,152.45 × 824,280.30
  4. Step 4: Simplify right side
    876,768.30x = 1,084,054,256,031.74
  5. Step 5: Solve for x
    x = 1,084,054,256,031.74/876,768.30
  6. Step 6: Final answer
    x = 1,236,420.45

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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.