Home / 742,779.29-1,025,039.61-436,868.57

Finding the Fourth Proportional to 742,779.29, 1,025,039.61 and 436,868.57

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Solution

The fourth proportional to 742,779.29, 1,025,039.61 and 436,868.57 is: 602,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,779.29 : 1,025,039.61 = 436,868.57 : x
  2. Step 2: Convert to fraction form
    742,779.29/1,025,039.61 = 436,868.57/x
  3. Step 3: Cross multiply
    742,779.29x = 1,025,039.61 × 436,868.57
  4. Step 4: Simplify right side
    742,779.29x = 447,807,588,614.06
  5. Step 5: Solve for x
    x = 447,807,588,614.06/742,779.29
  6. Step 6: Final answer
    x = 602,881.09

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1.5x scale

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.