Home / 771,547.32-1,064,489.25-499,823.49

Finding the Fourth Proportional to 771,547.32, 1,064,489.25 and 499,823.49

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Solution

The fourth proportional to 771,547.32, 1,064,489.25 and 499,823.49 is: 689,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,547.32 : 1,064,489.25 = 499,823.49 : x
  2. Step 2: Convert to fraction form
    771,547.32/1,064,489.25 = 499,823.49/x
  3. Step 3: Cross multiply
    771,547.32x = 1,064,489.25 × 499,823.49
  4. Step 4: Simplify right side
    771,547.32x = 532,056,732,002.48
  5. Step 5: Solve for x
    x = 532,056,732,002.48/771,547.32
  6. Step 6: Final answer
    x = 689,597.02

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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.