Home / 814,417.07-1,123,948.71-470,267.51

Finding the Fourth Proportional to 814,417.07, 1,123,948.71 and 470,267.51

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Solution

The fourth proportional to 814,417.07, 1,123,948.71 and 470,267.51 is: 648,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,417.07 : 1,123,948.71 = 470,267.51 : x
  2. Step 2: Convert to fraction form
    814,417.07/1,123,948.71 = 470,267.51/x
  3. Step 3: Cross multiply
    814,417.07x = 1,123,948.71 × 470,267.51
  4. Step 4: Simplify right side
    814,417.07x = 528,556,555,599.67
  5. Step 5: Solve for x
    x = 528,556,555,599.67/814,417.07
  6. Step 6: Final answer
    x = 648,999.85

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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.