Home / 658,412.57-987,547.07-446,541.48

Finding the Fourth Proportional to 658,412.57, 987,547.07 and 446,541.48

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Solution

The fourth proportional to 658,412.57, 987,547.07 and 446,541.48 is: 669,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,412.57 : 987,547.07 = 446,541.48 : x
  2. Step 2: Convert to fraction form
    658,412.57/987,547.07 = 446,541.48/x
  3. Step 3: Cross multiply
    658,412.57x = 987,547.07 × 446,541.48
  4. Step 4: Simplify right side
    658,412.57x = 440,980,731,323.82
  5. Step 5: Solve for x
    x = 440,980,731,323.82/658,412.57
  6. Step 6: Final answer
    x = 669,763.53

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1.5x scale

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.