Home / 788,577.04-1,088,210.36-498,343.72

Finding the Fourth Proportional to 788,577.04, 1,088,210.36 and 498,343.72

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Solution

The fourth proportional to 788,577.04, 1,088,210.36 and 498,343.72 is: 687,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,577.04 : 1,088,210.36 = 498,343.72 : x
  2. Step 2: Convert to fraction form
    788,577.04/1,088,210.36 = 498,343.72/x
  3. Step 3: Cross multiply
    788,577.04x = 1,088,210.36 × 498,343.72
  4. Step 4: Simplify right side
    788,577.04x = 542,302,798,944.94
  5. Step 5: Solve for x
    x = 542,302,798,944.94/788,577.04
  6. Step 6: Final answer
    x = 687,697.93

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Double scale
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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.