Home / 992,444.40-1,489,444.20-460,031.40

Finding the Fourth Proportional to 992,444.40, 1,489,444.20 and 460,031.40

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Solution

The fourth proportional to 992,444.40, 1,489,444.20 and 460,031.40 is: 690,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,444.40 : 1,489,444.20 = 460,031.40 : x
  2. Step 2: Convert to fraction form
    992,444.40/1,489,444.20 = 460,031.40/x
  3. Step 3: Cross multiply
    992,444.40x = 1,489,444.20 × 460,031.40
  4. Step 4: Simplify right side
    992,444.40x = 685,191,100,547.88
  5. Step 5: Solve for x
    x = 685,191,100,547.88/992,444.40
  6. Step 6: Final answer
    x = 690,407.54

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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.