Home / 810,547.59-1,118,559.42-443,032.32

Finding the Fourth Proportional to 810,547.59, 1,118,559.42 and 443,032.32

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Solution

The fourth proportional to 810,547.59, 1,118,559.42 and 443,032.32 is: 611,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,547.59 : 1,118,559.42 = 443,032.32 : x
  2. Step 2: Convert to fraction form
    810,547.59/1,118,559.42 = 443,032.32/x
  3. Step 3: Cross multiply
    810,547.59x = 1,118,559.42 × 443,032.32
  4. Step 4: Simplify right side
    810,547.59x = 495,557,974,900.45
  5. Step 5: Solve for x
    x = 495,557,974,900.45/810,547.59
  6. Step 6: Final answer
    x = 611,386.65

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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.