Home / 896,968.96-1,237,904.64-670,220.80

Finding the Fourth Proportional to 896,968.96, 1,237,904.64 and 670,220.80

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Solution

The fourth proportional to 896,968.96, 1,237,904.64 and 670,220.80 is: 924,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,968.96 : 1,237,904.64 = 670,220.80 : x
  2. Step 2: Convert to fraction form
    896,968.96/1,237,904.64 = 670,220.80/x
  3. Step 3: Cross multiply
    896,968.96x = 1,237,904.64 × 670,220.80
  4. Step 4: Simplify right side
    896,968.96x = 829,669,438,144.51
  5. Step 5: Solve for x
    x = 829,669,438,144.51/896,968.96
  6. Step 6: Final answer
    x = 924,970.07

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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.