Home / 784,875.21-1,177,145.14-358,289.92

Finding the Fourth Proportional to 784,875.21, 1,177,145.14 and 358,289.92

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Solution

The fourth proportional to 784,875.21, 1,177,145.14 and 358,289.92 is: 537,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,875.21 : 1,177,145.14 = 358,289.92 : x
  2. Step 2: Convert to fraction form
    784,875.21/1,177,145.14 = 358,289.92/x
  3. Step 3: Cross multiply
    784,875.21x = 1,177,145.14 × 358,289.92
  4. Step 4: Simplify right side
    784,875.21x = 421,759,238,038.99
  5. Step 5: Solve for x
    x = 421,759,238,038.99/784,875.21
  6. Step 6: Final answer
    x = 537,358.34

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Double scale
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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.