Home / 829,213.74-1,241,510.76-423,527.40

Finding the Fourth Proportional to 829,213.74, 1,241,510.76 and 423,527.40

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Solution

The fourth proportional to 829,213.74, 1,241,510.76 and 423,527.40 is: 634,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,213.74 : 1,241,510.76 = 423,527.40 : x
  2. Step 2: Convert to fraction form
    829,213.74/1,241,510.76 = 423,527.40/x
  3. Step 3: Cross multiply
    829,213.74x = 1,241,510.76 × 423,527.40
  4. Step 4: Simplify right side
    829,213.74x = 525,813,824,254.82
  5. Step 5: Solve for x
    x = 525,813,824,254.82/829,213.74
  6. Step 6: Final answer
    x = 634,111.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.