Home / 830,068.40-1,245,248.40-297,898.40

Finding the Fourth Proportional to 830,068.40, 1,245,248.40 and 297,898.40

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Solution

The fourth proportional to 830,068.40, 1,245,248.40 and 297,898.40 is: 446,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,068.40 : 1,245,248.40 = 297,898.40 : x
  2. Step 2: Convert to fraction form
    830,068.40/1,245,248.40 = 297,898.40/x
  3. Step 3: Cross multiply
    830,068.40x = 1,245,248.40 × 297,898.40
  4. Step 4: Simplify right side
    830,068.40x = 370,957,505,962.56
  5. Step 5: Solve for x
    x = 370,957,505,962.56/830,068.40
  6. Step 6: Final answer
    x = 446,899.93

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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.