Home / 742,779.30-1,025,039.74-436,868.58

Finding the Fourth Proportional to 742,779.30, 1,025,039.74 and 436,868.58

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Solution

The fourth proportional to 742,779.30, 1,025,039.74 and 436,868.58 is: 602,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,779.30 : 1,025,039.74 = 436,868.58 : x
  2. Step 2: Convert to fraction form
    742,779.30/1,025,039.74 = 436,868.58/x
  3. Step 3: Cross multiply
    742,779.30x = 1,025,039.74 × 436,868.58
  4. Step 4: Simplify right side
    742,779.30x = 447,807,655,657.37
  5. Step 5: Solve for x
    x = 447,807,655,657.37/742,779.30
  6. Step 6: Final answer
    x = 602,881.17

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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.