Home / 670,501.60-1,006,918.80-355,573.60

Finding the Fourth Proportional to 670,501.60, 1,006,918.80 and 355,573.60

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Solution

The fourth proportional to 670,501.60, 1,006,918.80 and 355,573.60 is: 533,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,501.60 : 1,006,918.80 = 355,573.60 : x
  2. Step 2: Convert to fraction form
    670,501.60/1,006,918.80 = 355,573.60/x
  3. Step 3: Cross multiply
    670,501.60x = 1,006,918.80 × 355,573.60
  4. Step 4: Simplify right side
    670,501.60x = 358,033,742,623.68
  5. Step 5: Solve for x
    x = 358,033,742,623.68/670,501.60
  6. Step 6: Final answer
    x = 533,978.95

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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.