Home / 867,964.60-1,301,946.90-552,647.80

Finding the Fourth Proportional to 867,964.60, 1,301,946.90 and 552,647.80

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Solution

The fourth proportional to 867,964.60, 1,301,946.90 and 552,647.80 is: 828,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,964.60 : 1,301,946.90 = 552,647.80 : x
  2. Step 2: Convert to fraction form
    867,964.60/1,301,946.90 = 552,647.80/x
  3. Step 3: Cross multiply
    867,964.60x = 1,301,946.90 × 552,647.80
  4. Step 4: Simplify right side
    867,964.60x = 719,518,090,001.82
  5. Step 5: Solve for x
    x = 719,518,090,001.82/867,964.60
  6. Step 6: Final answer
    x = 828,971.70

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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.