Home / 830,007.10-1,245,010.65-604,308.70

Finding the Fourth Proportional to 830,007.10, 1,245,010.65 and 604,308.70

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Solution

The fourth proportional to 830,007.10, 1,245,010.65 and 604,308.70 is: 906,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,007.10 : 1,245,010.65 = 604,308.70 : x
  2. Step 2: Convert to fraction form
    830,007.10/1,245,010.65 = 604,308.70/x
  3. Step 3: Cross multiply
    830,007.10x = 1,245,010.65 × 604,308.70
  4. Step 4: Simplify right side
    830,007.10x = 752,370,767,387.66
  5. Step 5: Solve for x
    x = 752,370,767,387.66/830,007.10
  6. Step 6: Final answer
    x = 906,463.05

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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.