Home / 804,030.64-1,110,081.53-498,433.60

Finding the Fourth Proportional to 804,030.64, 1,110,081.53 and 498,433.60

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Solution

The fourth proportional to 804,030.64, 1,110,081.53 and 498,433.60 is: 688,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,030.64 : 1,110,081.53 = 498,433.60 : x
  2. Step 2: Convert to fraction form
    804,030.64/1,110,081.53 = 498,433.60/x
  3. Step 3: Cross multiply
    804,030.64x = 1,110,081.53 × 498,433.60
  4. Step 4: Simplify right side
    804,030.64x = 553,301,931,762.29
  5. Step 5: Solve for x
    x = 553,301,931,762.29/804,030.64
  6. Step 6: Final answer
    x = 688,160.26

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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.