Home / 725,070.29-1,000,596.47-402,810.53

Finding the Fourth Proportional to 725,070.29, 1,000,596.47 and 402,810.53

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Solution

The fourth proportional to 725,070.29, 1,000,596.47 and 402,810.53 is: 555,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,070.29 : 1,000,596.47 = 402,810.53 : x
  2. Step 2: Convert to fraction form
    725,070.29/1,000,596.47 = 402,810.53/x
  3. Step 3: Cross multiply
    725,070.29x = 1,000,596.47 × 402,810.53
  4. Step 4: Simplify right side
    725,070.29x = 403,050,790,400.87
  5. Step 5: Solve for x
    x = 403,050,790,400.87/725,070.29
  6. Step 6: Final answer
    x = 555,878.24

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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.