Home / 889,831.34-1,228,055.16-507,915.53

Finding the Fourth Proportional to 889,831.34, 1,228,055.16 and 507,915.53

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Solution

The fourth proportional to 889,831.34, 1,228,055.16 and 507,915.53 is: 700,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,831.34 : 1,228,055.16 = 507,915.53 : x
  2. Step 2: Convert to fraction form
    889,831.34/1,228,055.16 = 507,915.53/x
  3. Step 3: Cross multiply
    889,831.34x = 1,228,055.16 × 507,915.53
  4. Step 4: Simplify right side
    889,831.34x = 623,748,278,780.78
  5. Step 5: Solve for x
    x = 623,748,278,780.78/889,831.34
  6. Step 6: Final answer
    x = 700,973.61

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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.