Home / 867,111.08-1,300,343.70-298,333.40

Finding the Fourth Proportional to 867,111.08, 1,300,343.70 and 298,333.40

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Solution

The fourth proportional to 867,111.08, 1,300,343.70 and 298,333.40 is: 447,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,111.08 : 1,300,343.70 = 298,333.40 : x
  2. Step 2: Convert to fraction form
    867,111.08/1,300,343.70 = 298,333.40/x
  3. Step 3: Cross multiply
    867,111.08x = 1,300,343.70 × 298,333.40
  4. Step 4: Simplify right side
    867,111.08x = 387,935,957,189.58
  5. Step 5: Solve for x
    x = 387,935,957,189.58/867,111.08
  6. Step 6: Final answer
    x = 447,389.00

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1.5x scale

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.