Home / 742,368.07-1,024,470.66-402,836.32

Finding the Fourth Proportional to 742,368.07, 1,024,470.66 and 402,836.32

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Solution

The fourth proportional to 742,368.07, 1,024,470.66 and 402,836.32 is: 555,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,368.07 : 1,024,470.66 = 402,836.32 : x
  2. Step 2: Convert to fraction form
    742,368.07/1,024,470.66 = 402,836.32/x
  3. Step 3: Cross multiply
    742,368.07x = 1,024,470.66 × 402,836.32
  4. Step 4: Simplify right side
    742,368.07x = 412,693,990,622.37
  5. Step 5: Solve for x
    x = 412,693,990,622.37/742,368.07
  6. Step 6: Final answer
    x = 555,915.60

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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.