Home / 814,819.95-1,124,590.68-470,594.01

Finding the Fourth Proportional to 814,819.95, 1,124,590.68 and 470,594.01

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Solution

The fourth proportional to 814,819.95, 1,124,590.68 and 470,594.01 is: 649,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,819.95 : 1,124,590.68 = 470,594.01 : x
  2. Step 2: Convert to fraction form
    814,819.95/1,124,590.68 = 470,594.01/x
  3. Step 3: Cross multiply
    814,819.95x = 1,124,590.68 × 470,594.01
  4. Step 4: Simplify right side
    814,819.95x = 529,225,637,709.83
  5. Step 5: Solve for x
    x = 529,225,637,709.83/814,819.95
  6. Step 6: Final answer
    x = 649,500.10

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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.