Home / 852,187.80-1,176,018.02-470,214.48

Finding the Fourth Proportional to 852,187.80, 1,176,018.02 and 470,214.48

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Solution

The fourth proportional to 852,187.80, 1,176,018.02 and 470,214.48 is: 648,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,187.80 : 1,176,018.02 = 470,214.48 : x
  2. Step 2: Convert to fraction form
    852,187.80/1,176,018.02 = 470,214.48/x
  3. Step 3: Cross multiply
    852,187.80x = 1,176,018.02 × 470,214.48
  4. Step 4: Simplify right side
    852,187.80x = 552,980,701,744.93
  5. Step 5: Solve for x
    x = 552,980,701,744.93/852,187.80
  6. Step 6: Final answer
    x = 648,895.35

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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.