Home / 724,300.02-999,487.08-402,010.20

Finding the Fourth Proportional to 724,300.02, 999,487.08 and 402,010.20

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Solution

The fourth proportional to 724,300.02, 999,487.08 and 402,010.20 is: 554,748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,300.02 : 999,487.08 = 402,010.20 : x
  2. Step 2: Convert to fraction form
    724,300.02/999,487.08 = 402,010.20/x
  3. Step 3: Cross multiply
    724,300.02x = 999,487.08 × 402,010.20
  4. Step 4: Simplify right side
    724,300.02x = 401,804,000,928.22
  5. Step 5: Solve for x
    x = 401,804,000,928.22/724,300.02
  6. Step 6: Final answer
    x = 554,748.02

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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.