Home / 670,492.60-1,006,905.30-355,564.60

Finding the Fourth Proportional to 670,492.60, 1,006,905.30 and 355,564.60

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Solution

The fourth proportional to 670,492.60, 1,006,905.30 and 355,564.60 is: 533,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,492.60 : 1,006,905.30 = 355,564.60 : x
  2. Step 2: Convert to fraction form
    670,492.60/1,006,905.30 = 355,564.60/x
  3. Step 3: Cross multiply
    670,492.60x = 1,006,905.30 × 355,564.60
  4. Step 4: Simplify right side
    670,492.60x = 358,019,880,232.38
  5. Step 5: Solve for x
    x = 358,019,880,232.38/670,492.60
  6. Step 6: Final answer
    x = 533,965.45

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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.