Home / 775,980.32-1,070,946.05-470,047.71

Finding the Fourth Proportional to 775,980.32, 1,070,946.05 and 470,047.71

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Solution

The fourth proportional to 775,980.32, 1,070,946.05 and 470,047.71 is: 648,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,980.32 : 1,070,946.05 = 470,047.71 : x
  2. Step 2: Convert to fraction form
    775,980.32/1,070,946.05 = 470,047.71/x
  3. Step 3: Cross multiply
    775,980.32x = 1,070,946.05 × 470,047.71
  4. Step 4: Simplify right side
    775,980.32x = 503,395,735,985.81
  5. Step 5: Solve for x
    x = 503,395,735,985.81/775,980.32
  6. Step 6: Final answer
    x = 648,722.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.