Home / 697,012.75-1,045,503.74-286,595.54

Finding the Fourth Proportional to 697,012.75, 1,045,503.74 and 286,595.54

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Solution

The fourth proportional to 697,012.75, 1,045,503.74 and 286,595.54 is: 429,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,012.75 : 1,045,503.74 = 286,595.54 : x
  2. Step 2: Convert to fraction form
    697,012.75/1,045,503.74 = 286,595.54/x
  3. Step 3: Cross multiply
    697,012.75x = 1,045,503.74 × 286,595.54
  4. Step 4: Simplify right side
    697,012.75x = 299,636,708,937.32
  5. Step 5: Solve for x
    x = 299,636,708,937.32/697,012.75
  6. Step 6: Final answer
    x = 429,886.98

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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.