Home / 815,030.61-1,124,685.81-452,425.81

Finding the Fourth Proportional to 815,030.61, 1,124,685.81 and 452,425.81

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Solution

The fourth proportional to 815,030.61, 1,124,685.81 and 452,425.81 is: 624,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,030.61 : 1,124,685.81 = 452,425.81 : x
  2. Step 2: Convert to fraction form
    815,030.61/1,124,685.81 = 452,425.81/x
  3. Step 3: Cross multiply
    815,030.61x = 1,124,685.81 × 452,425.81
  4. Step 4: Simplify right side
    815,030.61x = 508,836,885,360.85
  5. Step 5: Solve for x
    x = 508,836,885,360.85/815,030.61
  6. Step 6: Final answer
    x = 624,316.29

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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.