Home / 889,823.91-1,228,032.63-502,710.45

Finding the Fourth Proportional to 889,823.91, 1,228,032.63 and 502,710.45

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Solution

The fourth proportional to 889,823.91, 1,228,032.63 and 502,710.45 is: 693,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,823.91 : 1,228,032.63 = 502,710.45 : x
  2. Step 2: Convert to fraction form
    889,823.91/1,228,032.63 = 502,710.45/x
  3. Step 3: Cross multiply
    889,823.91x = 1,228,032.63 × 502,710.45
  4. Step 4: Simplify right side
    889,823.91x = 617,344,836,041.98
  5. Step 5: Solve for x
    x = 617,344,836,041.98/889,823.91
  6. Step 6: Final answer
    x = 693,783.15

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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.