Home / 912,751.40-1,366,502.70-558,457.40

Finding the Fourth Proportional to 912,751.40, 1,366,502.70 and 558,457.40

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Solution

The fourth proportional to 912,751.40, 1,366,502.70 and 558,457.40 is: 836,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,751.40 : 1,366,502.70 = 558,457.40 : x
  2. Step 2: Convert to fraction form
    912,751.40/1,366,502.70 = 558,457.40/x
  3. Step 3: Cross multiply
    912,751.40x = 1,366,502.70 × 558,457.40
  4. Step 4: Simplify right side
    912,751.40x = 763,133,544,934.98
  5. Step 5: Solve for x
    x = 763,133,544,934.98/912,751.40
  6. Step 6: Final answer
    x = 836,080.39

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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.