Home / 718,547.20-1,077,820.80-494,598.40

Finding the Fourth Proportional to 718,547.20, 1,077,820.80 and 494,598.40

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Solution

The fourth proportional to 718,547.20, 1,077,820.80 and 494,598.40 is: 741,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,547.20 : 1,077,820.80 = 494,598.40 : x
  2. Step 2: Convert to fraction form
    718,547.20/1,077,820.80 = 494,598.40/x
  3. Step 3: Cross multiply
    718,547.20x = 1,077,820.80 × 494,598.40
  4. Step 4: Simplify right side
    718,547.20x = 533,088,443,166.72
  5. Step 5: Solve for x
    x = 533,088,443,166.72/718,547.20
  6. Step 6: Final answer
    x = 741,897.60

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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.