Home / 742,814.65-1,025,088.40-436,903.87

Finding the Fourth Proportional to 742,814.65, 1,025,088.40 and 436,903.87

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Solution

The fourth proportional to 742,814.65, 1,025,088.40 and 436,903.87 is: 602,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,814.65 : 1,025,088.40 = 436,903.87 : x
  2. Step 2: Convert to fraction form
    742,814.65/1,025,088.40 = 436,903.87/x
  3. Step 3: Cross multiply
    742,814.65x = 1,025,088.40 × 436,903.87
  4. Step 4: Simplify right side
    742,814.65x = 447,865,086,867.59
  5. Step 5: Solve for x
    x = 447,865,086,867.59/742,814.65
  6. Step 6: Final answer
    x = 602,929.80

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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.