Home / 724,144.32-999,304.02-401,851.80

Finding the Fourth Proportional to 724,144.32, 999,304.02 and 401,851.80

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Solution

The fourth proportional to 724,144.32, 999,304.02 and 401,851.80 is: 554,547.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,144.32 : 999,304.02 = 401,851.80 : x
  2. Step 2: Convert to fraction form
    724,144.32/999,304.02 = 401,851.80/x
  3. Step 3: Cross multiply
    724,144.32x = 999,304.02 × 401,851.80
  4. Step 4: Simplify right side
    724,144.32x = 401,572,119,184.24
  5. Step 5: Solve for x
    x = 401,572,119,184.24/724,144.32
  6. Step 6: Final answer
    x = 554,547.08

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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.