Home / 685,514.04-947,815.22-600,387.10

Finding the Fourth Proportional to 685,514.04, 947,815.22 and 600,387.10

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Solution

The fourth proportional to 685,514.04, 947,815.22 and 600,387.10 is: 830,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,514.04 : 947,815.22 = 600,387.10 : x
  2. Step 2: Convert to fraction form
    685,514.04/947,815.22 = 600,387.10/x
  3. Step 3: Cross multiply
    685,514.04x = 947,815.22 × 600,387.10
  4. Step 4: Simplify right side
    685,514.04x = 569,056,031,271.66
  5. Step 5: Solve for x
    x = 569,056,031,271.66/685,514.04
  6. Step 6: Final answer
    x = 830,115.79

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1.5x scale

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.