Home / 890,526.15-1,228,922.93-482,637.90

Finding the Fourth Proportional to 890,526.15, 1,228,922.93 and 482,637.90

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Solution

The fourth proportional to 890,526.15, 1,228,922.93 and 482,637.90 is: 666,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,526.15 : 1,228,922.93 = 482,637.90 : x
  2. Step 2: Convert to fraction form
    890,526.15/1,228,922.93 = 482,637.90/x
  3. Step 3: Cross multiply
    890,526.15x = 1,228,922.93 × 482,637.90
  4. Step 4: Simplify right side
    890,526.15x = 593,124,778,795.18
  5. Step 5: Solve for x
    x = 593,124,778,795.18/890,526.15
  6. Step 6: Final answer
    x = 666,038.58

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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.