Home / 983,661.76-1,475,544.95-309,795.76

Finding the Fourth Proportional to 983,661.76, 1,475,544.95 and 309,795.76

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Solution

The fourth proportional to 983,661.76, 1,475,544.95 and 309,795.76 is: 464,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,661.76 : 1,475,544.95 = 309,795.76 : x
  2. Step 2: Convert to fraction form
    983,661.76/1,475,544.95 = 309,795.76/x
  3. Step 3: Cross multiply
    983,661.76x = 1,475,544.95 × 309,795.76
  4. Step 4: Simplify right side
    983,661.76x = 457,117,569,199.41
  5. Step 5: Solve for x
    x = 457,117,569,199.41/983,661.76
  6. Step 6: Final answer
    x = 464,710.11

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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.