Home / 875,510.72-1,312,303.76-342,932.48

Finding the Fourth Proportional to 875,510.72, 1,312,303.76 and 342,932.48

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Solution

The fourth proportional to 875,510.72, 1,312,303.76 and 342,932.48 is: 514,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,510.72 : 1,312,303.76 = 342,932.48 : x
  2. Step 2: Convert to fraction form
    875,510.72/1,312,303.76 = 342,932.48/x
  3. Step 3: Cross multiply
    875,510.72x = 1,312,303.76 × 342,932.48
  4. Step 4: Simplify right side
    875,510.72x = 450,031,582,930.13
  5. Step 5: Solve for x
    x = 450,031,582,930.13/875,510.72
  6. Step 6: Final answer
    x = 514,021.78

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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.