Home / 810,365.80-1,216,643.10-473,751.40

Finding the Fourth Proportional to 810,365.80, 1,216,643.10 and 473,751.40

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Solution

The fourth proportional to 810,365.80, 1,216,643.10 and 473,751.40 is: 711,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,365.80 : 1,216,643.10 = 473,751.40 : x
  2. Step 2: Convert to fraction form
    810,365.80/1,216,643.10 = 473,751.40/x
  3. Step 3: Cross multiply
    810,365.80x = 1,216,643.10 × 473,751.40
  4. Step 4: Simplify right side
    810,365.80x = 576,386,371,925.34
  5. Step 5: Solve for x
    x = 576,386,371,925.34/810,365.80
  6. Step 6: Final answer
    x = 711,266.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.