Home / 669,124.60-1,003,688.31-470,334.50

Finding the Fourth Proportional to 669,124.60, 1,003,688.31 and 470,334.50

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Solution

The fourth proportional to 669,124.60, 1,003,688.31 and 470,334.50 is: 705,502.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,124.60 : 1,003,688.31 = 470,334.50 : x
  2. Step 2: Convert to fraction form
    669,124.60/1,003,688.31 = 470,334.50/x
  3. Step 3: Cross multiply
    669,124.60x = 1,003,688.31 × 470,334.50
  4. Step 4: Simplify right side
    669,124.60x = 472,069,239,948.84
  5. Step 5: Solve for x
    x = 472,069,239,948.84/669,124.60
  6. Step 6: Final answer
    x = 705,502.74

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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.