Home / 740,253.52-1,110,214.24-340,510.40

Finding the Fourth Proportional to 740,253.52, 1,110,214.24 and 340,510.40

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Solution

The fourth proportional to 740,253.52, 1,110,214.24 and 340,510.40 is: 510,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,253.52 : 1,110,214.24 = 340,510.40 : x
  2. Step 2: Convert to fraction form
    740,253.52/1,110,214.24 = 340,510.40/x
  3. Step 3: Cross multiply
    740,253.52x = 1,110,214.24 × 340,510.40
  4. Step 4: Simplify right side
    740,253.52x = 378,039,494,948.10
  5. Step 5: Solve for x
    x = 378,039,494,948.10/740,253.52
  6. Step 6: Final answer
    x = 510,689.22

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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.