Home / 771,246.90-1,157,043.15-297,890.10

Finding the Fourth Proportional to 771,246.90, 1,157,043.15 and 297,890.10

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Solution

The fourth proportional to 771,246.90, 1,157,043.15 and 297,890.10 is: 446,901.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,246.90 : 1,157,043.15 = 297,890.10 : x
  2. Step 2: Convert to fraction form
    771,246.90/1,157,043.15 = 297,890.10/x
  3. Step 3: Cross multiply
    771,246.90x = 1,157,043.15 × 297,890.10
  4. Step 4: Simplify right side
    771,246.90x = 344,671,699,657.82
  5. Step 5: Solve for x
    x = 344,671,699,657.82/771,246.90
  6. Step 6: Final answer
    x = 446,901.89

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1.5x scale

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.