Home / 897,946.34-1,239,192-490,074.35

Finding the Fourth Proportional to 897,946.34, 1,239,192 and 490,074.35

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Solution

The fourth proportional to 897,946.34, 1,239,192 and 490,074.35 is: 676,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,946.34 : 1,239,192 = 490,074.35 : x
  2. Step 2: Convert to fraction form
    897,946.34/1,239,192 = 490,074.35/x
  3. Step 3: Cross multiply
    897,946.34x = 1,239,192 × 490,074.35
  4. Step 4: Simplify right side
    897,946.34x = 607,296,207,729.24
  5. Step 5: Solve for x
    x = 607,296,207,729.24/897,946.34
  6. Step 6: Final answer
    x = 676,316.82

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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.