Home / 900,014.70-1,242,014.67-497,606.70

Finding the Fourth Proportional to 900,014.70, 1,242,014.67 and 497,606.70

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Solution

The fourth proportional to 900,014.70, 1,242,014.67 and 497,606.70 is: 686,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,014.70 : 1,242,014.67 = 497,606.70 : x
  2. Step 2: Convert to fraction form
    900,014.70/1,242,014.67 = 497,606.70/x
  3. Step 3: Cross multiply
    900,014.70x = 1,242,014.67 × 497,606.70
  4. Step 4: Simplify right side
    900,014.70x = 618,034,821,290.29
  5. Step 5: Solve for x
    x = 618,034,821,290.29/900,014.70
  6. Step 6: Final answer
    x = 686,694.14

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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.