Home / 725,263.04-997,313.76-629,602.40

Finding the Fourth Proportional to 725,263.04, 997,313.76 and 629,602.40

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Solution

The fourth proportional to 725,263.04, 997,313.76 and 629,602.40 is: 865,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,263.04 : 997,313.76 = 629,602.40 : x
  2. Step 2: Convert to fraction form
    725,263.04/997,313.76 = 629,602.40/x
  3. Step 3: Cross multiply
    725,263.04x = 997,313.76 × 629,602.40
  4. Step 4: Simplify right side
    725,263.04x = 627,911,136,849.02
  5. Step 5: Solve for x
    x = 627,911,136,849.02/725,263.04
  6. Step 6: Final answer
    x = 865,770.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.