Home / 698,051.79-1,047,303.41-342,816.71

Finding the Fourth Proportional to 698,051.79, 1,047,303.41 and 342,816.71

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Solution

The fourth proportional to 698,051.79, 1,047,303.41 and 342,816.71 is: 514,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,051.79 : 1,047,303.41 = 342,816.71 : x
  2. Step 2: Convert to fraction form
    698,051.79/1,047,303.41 = 342,816.71/x
  3. Step 3: Cross multiply
    698,051.79x = 1,047,303.41 × 342,816.71
  4. Step 4: Simplify right side
    698,051.79x = 359,033,102,437.38
  5. Step 5: Solve for x
    x = 359,033,102,437.38/698,051.79
  6. Step 6: Final answer
    x = 514,335.91

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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.